How do I find an increase of 42 from 72

1) Simplify the expression. 2 (-9+9v)

2x^3+2x^2-19x+20=0 find the roots of the polynomial equation

How many times dose 14 go into 144

Which would give the most precise measurement? A) Find the distance between 2 cities to the nearest mile. Eliminate B) Find the distance between 2 cities to the nearest 5 miles. C) Find the distance between 2 cities to the nearest 10 miles.

Solve and write the exact value of In (2x-1) = 5

What are the prime factors of 63 in ascending order

8 penny is 0.061 inch thick. What is the value of the 6 in thickness of a penny? Somebody tell me the right answer

tina and jim work at a different car wash. tina is paid $37 per day plus 1.50 for each car she washes. jim is paid $40.00 per day plus 1.00 for each car she washes.

Solve the system of equations below. 3x+2y=12+y 4y-7x=10 a. (6,2) b. (-6,-2) c. (2,6) d. (-2,6)

The length of the radius of a bicycle wheel is 13 inches. Which of the following is closest to the distance the wheel will travel in three revolutions? 234 inches 39 inches 78 inches 117 inches