Approximately 10% of the glass bottles coming off a production line have serious flaws in the glass. if two bottles are randomly selected, find the mean and variance of the number of bottles that have serious flaws.

What is the coefficient for the variable m in the question, d = 8m + 17

Find the percent change from 15 to 18.

Nisha did the work below to solve an equation. Step 1 7 b + 3.2 b minus 5 = 18.92 Step 2 10.2 b minus 5 = 18.92 Step 3 5.2 b = 18.92 Step 4 b = 3.64 In which step did Nisha make her first error?

Which rational number is greater? - 3/5 or - 4/5?

Ronelle asked 100 students to choose their favorite subject from among mathematics, history, and art. She found that 22 students chose mathematics, 26 history, and the rest art. What percent of students chose art? a 22% b 26% c 48% d 52%

Find the measure of each angle of an octagon if all of the angles are congruent.

Sona knits 10 squares a day for 7 days. can she sew together to make 5 equal sized blankets? explain

What is 2.8 in expanded form

What is the answer to solve negative eight positive negative 2 for integers?

Aaron wants to buy a bicycle that costs $128. So far, he has saved $56. The equation a + 56 = 128 can be used to find the amount an in dollars that Aaron still needs to save. What is the solution to the equation?