art noticed that if he takes the opposite of his age and adds 40, he gets the number 28. how old is ary?

Use the unit price to find the total price. 8 gallons at $1.94 per gallon

The houck family's train traveled 552 miles in 6 hours. The Roberts family traveled at 744 miles in 8 hours which family is traveling at a faster rate, how much faster

6 over 7 subtract 4 over 5

A city's population is currently 150,500. If the population doubles every 62 years, what will the population be 124 years from now?

For the final part of the race, a handcyclist travels 32 feet each second across a distance of 400 feet. How many seconds does it take for the hand cyclist to travel the last 400 feet of the race

97/16 as mixed number

The equation $4.50 h + $2.00 = $20.00 shows the cost to play h hours of miniature golf. How many hours of golf were played?

Which number is a solution of - 2x < - 4?

Nathan spins 2 different spinners at the same time. There are a total of 10 possible outcomes. which pair of spinners did Nathan spin?

987:z=164.5 z= explain how you got it every strategies you thought of and used to get your answers and strategies