What is an algebraic expression for "21 more than n "?

Evaluate (4m - 3n) (-2p) when m = 7, n = 5, and p = 6

If the force is f = 25 units and the acceleration is a = 5 units, find the mass, m.

A human body while sleeping generates about 300 BTUs of body heat per hour. If two people are sleeping in a bedroom that is 15 ft * 12 ft * 10 ft, how many BTUs per cubic foot do they produce in 7 hours? (to the nearest tenth) A) 0.2 BTUs/ft3 B) 1.

Solve the equation 5 (x+2) = 6x+3x-14

Explain how adding three digit numbers is different than adding two digit numbers

A cylindrical pond has a 12 ft diameter, and the water in the pond is 5 ft deep. Water is being drained from the pond at a rate of 1 cubic foot per minute. How long will it take to drain the pond

A box contains red apples and green apples. If an apple is picked at random from the box the probability of picking a red apple is 3/8. Which of these best describes the likelihood of picking a green apple?

A pile of dirt is cone-shaped and it has a height of 10 feet and a diameter of 24 feet. Find the volume.

Cassie rolls a fair number cube with 6 faces labeled 1 through 6. She rolls the number cube 300 times. Which result is most likely?

Lori solved this multiplication problem. 29 * 31 = 699 However, the mistake Lori made when multiplying is that she didn't