72 is what percent of80

Coefficient of x in - 9xy2z is

Mary and Sam need to plant 198 trees. If Mary can plant 12 trees in 5 hours and Sam can plant 14 trees in 7 hours how long would it take them if they worked together? steps?

Determine the quotient of 1 and 3 over 4 divided by 2 over 5.

Determine the cost of 5 pounds of bananas if 2 pounds cost $1.16

Lashonda made 2 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for both necklaces was $12.40. If the beads cost a total of $7.20, how much did each pendant cost?

One eighth of Tony's book are mystery book. he has 3 mystery books. how many books does tiny have in all?

To cyclist went on a separate Bicycle rides the first cycle is travel 15 miles if the second cycle is traveled 3/5 as far as the first cyclist how far did she travel

Tosses a coin 15 times and it landed on tails 9 times. What is the probability of landing on tails on his 16th toss

If a scatter plot has no association then?

Suppose you measure a box. Its dimensions are 32in. X 28in. X 25in. Find the percent of error in Calculating its volume to the nearest tenth of a percent