Is a heptagon regular or irregular

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