Given an arithmetic sequence with a7=19 and a12=54 find a15

A. 61

B. 68

C. 75

D. 82

Harold has 4 cups of trail mix. He wants to give 1/3 cup trail mix to each camper in his group. There are 8 campers in his group. Does he have enough trail mix for all the campers? Explain.

It costs $26 to fertilize, water, mow, and maintain each square yard of a full size FIFA field (with maximum dimensions) before each game. How much would it cost to prepare the field for next weeks match?

If there are 42 boys and 56 girls in a room, fill out all of the possible ratios of boys to girls that could be made.

A pet store just opens Leasa wants acute cuddly dog the dog costs $6943 she buys it and has $5000 how much did she start with?

Solve for x 4e^ (2x) - 3 = 12

The ratio of hydrogen atoms to oxygen atoms in water is 2:1. If an amount of water contains 341 trillion atoms of oxygen, how many hydrogen atoms are there?

Evaluate 0.411+9.9+0.8 and round the answer appropriately. Express your answer numerically using the appropriate number of decimal places.

A bicycle wheel has a radius of 0.33 m. how many revolutions does the wheel make when the bicycle is ridden 1 km? round to the nearest whole number. solved

The following are the ages (years) of 5 people in a room: 13, 22, 15, 14, 15 A person enters the room. The mean age of the 6 people is now 16. What is the age of the person who entered the room

John Marko buys a car $11,400.00. In three years the car depreciates 48% in value. How much is the car worth in three yoears?