Three times David's age plus 3 is Mark's age. What is David's age?

Evaluate the polynomial when x=4 when x = - 1 in - 5x+2

Identify the coefficient of -24*7y

What is the opposite of 48? A. - 84 B. - 48 C. 48 D. 84

Explain how you know that - 3.4 is a rational number.

Alex's dog weighs 7 times as much as her cat. Together, the two pets weigh 72 pounds. How much does Alex's dog weigh?

Describe how you solve the problem 17 + 25

If f (n) = 8n - 3 then what does f (5) =

If de is parallel to xy what is the value of x

Last fall Zeke planted six bulbs in the ground, which in the spring would grow into 2 yellow flowers, 2 purple flowers, and 2 red flowers. What is the probability that the first two flowers that come up in the spring are 2 yellow flowers?

Bathtub, 200 L or 34,000 mL