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Questions in Grade Middle-school

[Homework Help] Evaluate the expression using the given value of the variable: \[ 2 - 8x + 3x \] when \( x = 5 \). A. \(-53\) B. \(-23\) C. \(-15\) D. \(57\)

[Homework Help] Fires in forests can sometimes be stopped by cutting down trees to make a gap (called a "fire break"). Which part of the fire triangle does this remove?

[Homework Help] What were the causes of World War I?

[Homework Help] 24 is 33 1/3% of what number?

[Homework Help] Mr. Sanchez has 16 ft of fencing to put around a rectangular garden. He wants the garden to have the greatest possible area. How long should the sides be?

[Homework Help] What are the advantages for plants having a vascular system?

[Homework Help] Find all possible values of the given variable: 1. \( h^2 + 5h = 0 \) 2. \( z^2 - z = 0 \) 3. \( m^2 + 13m + 40 = 0 \) 4. \( z^2 - 3z = 0 \) 5. \( q^2 + 7q = 0 \) 6. \( k^2 + 2k = 0 \) 7. \( x^2 - 3x - 70 = 0 \) 8. \( q^2 + 7q - 60 = 0 \) 9. \( z^2 + 9z - 36 = 0 \) 10. \( d^2 - 13d + 22 = 0 \)

[Homework Help] What is the tense of the underlined verb in the sentence? "We had just begun to practice the skit when the fire alarm rang." A. past B. future perfect C. present perfect D. past perfect (Note: "had" and "begun" are underlined.)

[Homework Help] You made lemonade and iced tea for a school fair. You made 15 gallons of lemonade and 60% is gone. About 52% of the iced tea is gone. The ratio of gallons of lemonade to gallons of iced tea was 3:2. a. How many gallons of lemonade are left? b. How many gallons of iced tea did you make? c. About how many gallons of iced tea are left?

[Homework Help] Because of the unexpected cold weather, the cost of tomatoes increased by 50 percent in one month. If the cost after the increase was 60 cents per pound, what was the cost before the increase?