Which equation can be used to find the perimeter of a regular pentagon with sides of length 15 inches?

the left and right page numbers of an open book are two integers whose sum is 557. find these page numbers

This is the longest side of a right triangle. It is also the side directly across from the 90-degree angle of a right triangle.

Factor trees: Prime Numbers 450? 1,028? 1,000,000? 3,001?

A bag of marbles contains 6 blue marbles, 2 yellow marbles, 4 red marbles, and 1 green marble. What is the probability of reaching into the bag and selecting a yellow marble? A1/13 B2/13 C1/6 D2/6

Mrs Kong uses 1/3 of a stick of butter in a sauce. She then uses 5/8 of the remaining butter to make garlic bread. What fraction of the stick of butter is left?

Is 6 (x+0.4) equivalent to 3 (2x+0.8) ? YES or NO? Show your work! 6 (x+0.4) 3 (2x+0.8)

When is a rhombus a square? A. When its angles are convex angles B. When its angles are right angles C. When its sides are parallel D. When its sides are congruent

Do the ratios 3/4 and 4/8 from a proportion

Find the product. (y-3) (y-4) =

What is the answer for "x" in the equation - 1 = (5+x) / 6?