Write an equivalent expression for 7a + 21

What number needs to be added to make a mean of 80 with the numbers 71 80 and 86

A regular hexagon has sides measuring 7 inches. If the hexagon is divided into 6 congruent triangles, each has a height of about 6 inches. What is the approximate area of the hexagon?

Calculati cat mai rapid (14+28+36+42) : (18+24+46+32)

Which of the following represents the additive inverse of h?

If the diameter of a men's basketball is 10 inches and a women's is 9 inches, what is the approximate difference of their volumes?

Use your calculator to work out the exact value of 13822 x 623 / 14

Which relationship is continuous? A. the number of cows a farmer has owned over the years B. the number of cookies Stan baked for the party C. the number of people attending the assembly D. the distance a runner ran during training

Percent of change of 18.75 to 18.60

15x - (-3x-10) = 38x-5 (4x-2)

How to graph absolute value of 3x+1=2x-7