Simplify 3x^2 (7x^2+2x-4)

Mary is 60 inches tall. Her cousin, Dona, is 140 centimeters tall. Is Mary taller or shorter than her cousin?

What is the simplified form of the expression (x^10) (x^2) A:x^8 B:x^12 C:x^20 D:x^100 Evaluate the following expression using the values given Find 2x-3y-z if x=-2, y=3 and z=-2 A:-11 B:11 C:-15 D:15

Mrs. Decker walks for 30 minutes each day as often as possible. What is an equation that relates the number of days d that Mrs. Decker walks and the number of minutes m that she spends walking?

What is 15.3333333333 as a fraction in simplest form?

Is 24/6 a rational number if so why

Vera already owns 10 necklaces, and additional necklaces are priced at 2 for a dollar. How much money does Vera need to spend on new necklaces in order to own a total of 44 necklaces?

How do you order two numbers written in scientific notation?

Find f (6) if f (x) = x^{2} : 3 + x.

1. Here are the first two terms of some different arithmetic sequences: a. - 2,4 b. 11, 111 C. 5, 7.5 d. 5,-4 What are the next three terms of each sequence?

Jackson owes his sister Monica $15. Explain the meaning of zero in this situatio.