Tommy is twice as old as his younger sister. The sum of the siblings' ages is 21. Which equation can be used to determine the age of Tommy's younger sister?

A 15 lb. costs $19.50. At that same rate, how much would 12 1/2 lb. ham cost?

Y=-3x+24x-15 in vertex form

What is the vertex of y=2x^2+12x+22

The area of a rectangle is 48 inches. the width of the rectangle is 12. What the length

A sample of 345 people 129 could tell the difference between two different brands of cheese crackers. Based on this data, what is the best estimate of how many in the population of 5,000 people could tell the difference between the cheese crackers

What expression can be use to write the distributed property of 3x+15=?

The values in the table represent the graph of a continuous function. Which interval must contain an x-intercept? X Y -3.1 - 1.85 -2.7 - 0.84 -2.3 - 0.09 -1.9 0.44 -1.5 0.79 -1.1 1.00 -0.7 1.10 -0.3 1.13 0.1 1.13 A. - 3.1 < x < - 2.7 B. - 2.

18, 24, 26, 30 Mean: Median: Range:

How do you find the slope and the y-intercept if the y = 1

Maggie found the area of the irregular figure by dividing it into a triangle and a rectangle. Her work is shown below.