Ms. Rivera can grade 8 math tests in 10 minutes. Wht is the teachers unit rate?

Write the fraction in simplest form 4/12

What is the domain of the sine function?

Question 6 In a box of 11 parts, 4 of the parts are defective. Two parts are selected at random without replacement. Find the probability that both parts are defective.

A circle has a diameter of 26 units. What is the area of the circle to the nearest hundreths of the square units?

A lock has 3 digits and can have any number from 0-9 how many combinations are there

A child takes a nap averaging three hours and gets an average of 12 hours of sleep at night. Nap time and night time sleep can each vary by 30 mins. What are the possible time lengths for the child's nap and night time sleep? ... ?

4x - 10 ≥ 22 or x - 5 < - 6

What does control for eximerment mean .

A scientist estimated that a mixture would need 5 millimeters of a chemical to balance. The actual amount d was 7 millimeters. What was the percent error of the scientists estimation?

Start at 7 and subtract 3each time