What is the answer to this? 40d = 160. What is d?

Theo bought two hot dogs and two sodas for $4.00. At the same concession stand, Vicky bought three hot dogs and a soda for $4.50. What is the price of a hot dog at the concession stand?

Is 12x + 3y = 6 linear

A stack of cards contains 17 red cards and 9 black cards. What are the odds against drawing a red card? A. 9:17 B. 17:9 C. 9:26 D. 17:26

The sum of twice a number and 5 is at most 15

Find f (3) and f' (3), assuming that the tangent line to y = f (x) at a = 3 has equation y = 2 x + 7

If h (x) = x+1, which option below give the formula for g

This table shows the area in inches of four rectangular scraps of fabric. What is the median Scrap Area (in²) A 84 B 72 C 80 D 84 of the sizes of the four scraps of fabric?

3x2 y4 z - 6xy - 3z (5x2) How many terms are in the expression? a. 1 b. 2 c. 3 d. 4

11 1/2 - 4 3/4 = ? I got 7 3/4 but i know that is wrong but I don't know how to do this problem?

Evaluate the expression x^2+5x-19 for x=-4