How many solutions exist for the system of equations given below?

3a + 4b = 20

12a = 80 - 16b

Find the two roots of 4 49 A) 2 and 7 B) 2 7 and - 2 7 C) 2 and - 7 D) - 2 and - 7

How do you write. 997 as a fraction

A roller coaster climbs 110 feet from ground level then drops 65 feet before climbing another 135 feet. How far does the coaster need to drop or climb to be back at ground level. A) Drop 70 feet B) Drop 180 feet C) Climb 70 feet D) Climb 180 feet

Is seventy five thousandths less than, greater than or equal to 0.75

What's four plus twenty eight

A pool table supply company is making a cardboard box to package new cubes of pool cue chalk. Each cube of chalk is 1 cubic inch. The company considers all the ways to arrange 16 cubes of the chalk.

About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many would you to expect to have a personal computer?

There are 7 red, 8 green, and 6 blue marbles in bag. Kate is going to select one marble at random. What is the probability that she will select a green or blue marble?

And above swimming pool is leaking after 1/2 hour the pool has leak 7/8 gallons of water how many gallons of water per hour is the swimming pool leaking

Express this phrase as a unit rate: 10 1/2 teaspoons in 14 ounces