Elli's age in 10 years will be the same as Peggy's age is now. Five years from now, Peggy's age will be twice Elli's age. What are their present ages?

X^2+y^2=130 and 5x+y=26 solve this simultaneous equation

Find the product. Tell what strategy you used. 8*25*23=

What is 0.6 equivalent to

Perform the operation given that a = {-3, - 2, - 1, 0, 1, 2, 3}, b = {-4, - 2, 0, 2, 4}, and c = {0, 1, 2, 3, 4}. (enter your answers as a comma-separated list.) b ∪ (a ∩ c)

What is the area of the circle shown? Use 3.14 to approximate pi. Round your answer to the nearest tenth. with 18 as the radius?

Estimate the perimeter of the figure

What number tepresents 125.638 rounded to the nearest hundredth?

An item in a set is called a (n)

What is 2/10 equlvalent to

Ruben has two congruent wooden dowels. He cuts one dowel in two in order to have three pieces to make a triangle. Explain why