Valerie predicts she will be able to hold her breath for 31 second while underwater. If she actually held her breath for 34 seconds, what was Valerie's percent error? Round your answer to the nearest tenth of a percent.

Round 67.62 to the nearest whole number.

What is 8 9th + 4 7th

What is the middle number for the following sums of three consecutive numbers: 3n What is the middle number for the following sums of three consecutive numbers: n What is the smallest number for the following sums of three consecutive numbers: 3n

A small company has a fleet of 6 pickup trucks and 5 delivery vans, a larger company has the same ratio of pickup trucks to delivery vans. If the larger company has 78 pickup trucks, how many delivery vans does it have?

34 divided by 10 to the first power

Are the irrational numbers closed under multiplication?

You are spending $144 for new sweaters, T-shirts, and pants. Sweaters (s) cost $28, T-shirts (t) cost $14, and pants (p) cost $23, each. Which equation represents this situation? A. 28s + 14t + 23p = 144 B. 14s + 28t + 23p = 144 C.

What does 28 tens equal to

If the width is 3 less than the length of a rectangle, and it's perimeter is 98 inches, what are the dimensions of the rectangle?

What is 92 percent as a decimal and fraction, 21 percent as a decimal or fraction, 38 percent as a decimal or fraction, and 5 percent as a decimal or fraction?