There are 4 children in Maria's family. In how many ways can you list the children in all possible age orders?

The length l of a rectangle is decreasing at a rate of 1 cm/sec, while its width w is increasing at the rate of 3 cm/sec. Find the rates of change of the perimeter and the length of one diagonal at the instant when l = 15 cm and w = 6 cm.

rogelio has car insurance that he must pay four times a year. If each payment is $144, how much money should he set aside each month to cover his car insurance?

Twenty - two minus the product of 7

A truck covers 40 km with an average speed of 80 km/h. It then travels another 40 km with a speed of 40 km/h. What was the time taken to complete the entire journey?

Round 9.58507409207 to the nearest whole number

Can you guys give me step by step on how to solve this ... ik the answer. "infinitely many solutions" I need the STEPS 5 + x - 12 = x - 7

A company's sales decreased by 8% this year, to $9015. What were their sales last year? (Round your answer to the nearest penny.) My answer was 9,736.2, but the correct answer was 9798.91. Could someone explain how did they get to 9798.91?

Find the difference (2ab+7a+1) - (8ab+9)

Use four 8's to make 8

Terri brought 1.74 meters of rope. Gracie brought 1.64 meters of rope. Who brought more rope