What is the average of 23, 46, 74 and 52

The half-life of a radioactive kind of tellurium is 25 minutes. If you start with 88 grams of it, how much will be left after 50 minutes?

Find the equation of a line parallel to 2x-3y+6=0, with the same y-intercept as y=7x-1

a researcher has two groups of subjects, one that has been taught a memory aid and one that has not. Both groups are asked to learn a list of 20 nouns in two minutes, and both are then given a recall test. What is the independent variable

Twenty nine is thirteen added to four times a number. What is the number

Provide an explanation to why 0 and 1 have no prime factors.

Eighteen and seventy-five hundredths in standard notation

Which road makes with the horizontal

Jerry is filling a water tank which initially consists of 75 gallons of water. As the water is being pumped in, the water in the tank increases by 2.5 gallons every minute.

Tickets to the senior class play cost $7. Production expenses for costumes and sets are $350. The profit (p) will depend on the number of tickets sold (n).

If you can buy 1/2 of a gallon of milk for $3 how many gallons can you buy for $5 write your answer as a fraction of a gallon