D=DVDs and G=Games solve for 2D+3G=15.50 and 3D+1G=12.05

3x²-36x+81=0 i need the answer

What is 300 times 40

Beth walked around her neighborhood. In 1/2 hour, she walked 1 1/4 miles. What was Beth's rate in miles per hour

Find the exact value of the expression cos (-105)

Gary is riding from Town A to Town b. If he rides at a speed of 10 km per hour, he can reach Town B at 13:00. If he rides at a speed of 15 km per hour, he can reach Town B at 11:00.

The number of employees of a company decreased from 225 to 189. Find the percent decrease

More than half of the moon is visible from Earth; light appears to be increasing

Will ran 3.23 km the first week and 4.15 km the second week. chuck ran 8.75 km in two weeks. round each distance will and chuck ran to the nearest tenth of a kilometer. then estimate. about how much farther did chuck run than will?

How do you convert 21.76 into a fraction

Pero had $14.90 in his wallet. He spent $1.25 on drink. How much does he have left? (a) Estimate the answer by rounding to the nearest whole numbers before subracting. (b) Will your estimate be high or low? Explain. (c) Find the difference.