The Times of sarah's first swim lengths are 27 seconds, 35 seconds, and 31 seconds. in how many seconds must length four be completed so the mean is 30 seconds

In a right-angled triangle, the side opposite the right angle is unknown, how do you find out the unknown length? (Hypotenuse I think)

80% of what number is 15

What's the rate of $96 for 16 hours of work

Which orderer pair can be removed so that the resulting graph represents a function? (-2,2) (1,3) (5,-4) or (-4,-4)

Two vectors are shown. Which statement best compares the vectors

Ramiro did a survey of the number of pets owned by his classmates. What was the mean deviation of the number of pets?

a recipe calls for 5 8 cup butter angie wants to triple the recipe but she only has 1 1/8 cups of butter.

Kim is reading a book with 380 pages. she read 20 pages each day until she reached part 2 of the book. part 2 of the book is 160 pages long. she uses the equation 380-20d=160380-20d=160 to represent the number of days, d, it took her to read part 1.

Y = { (2, 6), (3, 1, 4), (1), (5, 6) } Is y a function and why?

A regular pyramid has a_ base and a vertex over the center of the base. A. square B. polygon C. regular polygon D. equilateral triangle