Given that ABC=DEF, AC=21x-19 and DF=3x+17, find the measure of AC? A. 2 B. 9 C. 21 D. 23

4g-124, g, minus, 12 when g=5g=5

Did you know that chickens sometimes eat vegetables and fruits? A farmer likes to give the chickens apples to share. The farmer observes that 5 chickens eat 8 apples. What is the ratio of the number of chickens to apples?

Pam has 7 red marbles, 16 green marbles, 6 yellow marbles, 4 orange marbles, 19 black marbles, and 12 blue marbles in a bag. What is the range in the number of different colored marbles? A) 13 B) 15 C) 16 D) 19

5. The hypotenuse of a right triangle is 14 in. If the base of the triangle is 2 inches determine the length of the remaining side.

The backpacking club is having some posters printed the printer charges $180 plus $250 per poster how many posters can be printed for $1000

What is 25.5n - 3 = 5.5n + 10.

An alloy is composed of nickel, zinc, and copper in a ratio of 7:2:9. How many kilograms of each metal are needed to make 3.6 kg of this alloy?

A planet has a circular orbit around a star. It is a distance of 59,000,000 km from the centre of the star. It orbits at an average speed of 41,000 km/h. How many Earth days does it take the planet to orbit the star? Give your answer to 2 sf.

The sum of 3 numbers is - 4. The second number decreased by the third is equal to the first. The sum of the first and second numbers is - 5. Write the system of equations and find the numbers.

Manuel ate 1/3 of the crackers on the plate. His brother ate 1/4 of The crackers there were 5 crackers left on the plate how many crackers were left on the plate to begin with