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Questions in Grade Middle-school

[Homework Help] Simplify the expression: \[ \frac{9}{10} \div \left(\frac{1}{10} + \frac{2}{5}\right) \]

[Homework Help] What do you call two ratios that have the same value?

[Homework Help] What do you call two ratios that have the same value?

[Homework Help] If light travels 671,000,000 miles per hour, how many miles will it travel in one minute?

[Homework Help] There are 50 questions to answer in a trivia contest. Each player starts with 100 points. A player earns 10 points for each correct answer but loses 4 points for each incorrect answer. Each player must answer all 50 questions. What is the fewest number of questions a contestant must answer correctly to get a score over 350?

[Homework Help] Solve the equation: \[ 3(4d + 1) - 9d = 6 - 2d \]

[Homework Help] In rabbits, black fur is dominant over white fur. Show the cross of a heterozygous black male with a homozygous white female.

[Homework Help] You work at a clothing store, and your boss wants you to find out which type of shirt had the highest percentage of sales. You found that 13 out of 20 tank tops were sold, and 15 out of 25 T-shirts were sold. Which percent represents the type of shirt with the greater percentage sold? A. 15% B. 13% C. 60% D. 65%

[Homework Help] How did machines speed up textile manufacturing?

[Homework Help] What type of rock is the Haystack Rock? A. Igneous B. Metamorphic C. Sedimentary