To multiply fractions do you need a common denominator

Two equations are given below: m + 4n = 8 m = n - 2 What is the Solution? a. 4,6 b. 2,4 c. 0,2 d. 6,8

Perform the subtraction 33.5 - 6.02

Consider the dice A, B, and C below. The opposite sides have the same values as those shown. A (2,9,4) B (1,8,6) C (3,7,5) a) If A is rolled against B with the higher number the winner, which should you bet on? Why? Explain in terms of probability.

What is the percent of change from 80,000 100,000

There are 28 domino tiles, 7 of which are doubles. If 4 people draw one tile, what are the chances of any one drawing a double tile?

Carols drank 2,740 milliliters after football practice. How many liters did he drink?

Find the solutions to the equation below check all that apply 9x^2-81=0 A. x=9 B. x=1 C. x=-9 D. x=-3 E. x=3 F. x=-81

4 (x+2) = 2 (x+3) + 2 (x-1) answer?

8x-2=4+5x I got x=2 is that correct

Seven pipes empty a water tank in five days. In how many days would four pipes empty this tank?