How do I solve x+4y=22

-x+5y=23

What percentage of 36 is 60

Mary owned n sheep and Sam had exactly 4 times as many sheep as Mary. Mary buys 17 extra sheep and Sam sells 8 of his sheep. Sam still has more sheep than Mary. Form an inequality, in terms of n. Solve the inequality to find the least value of n.

Suppose a carpet for an 8ft by 12 ft room cost $500. How much would an 16 ft by 24ft cost

Square the following numbers: 3 8 10

The table shows the growth of a type of bacteria. How many bacteria will be present after 6 hours? [Use an exponential regression curve.]

In a team bike race, each biker has to ride exactly 50 miles. the team must complete 560 miles. how many miles must each biker travel?

If the decimal is 0.08 what is 10 times as much

If you traveled 50 m in 25 s what is your distance traveled and average speed?

Karla has a younge sister and an older brother. Her younger sister is 3 years more than a half of karla's age. Her older brother is 7 year lees than twice karla's age. If the sum of all 3 of their is 38, how old is kayla.

The time t required to drive a certain distance varies inversely with the speed r. If it takes 4 hours to drive the distance at 35 miles per hour, how long will it take to drive the same distance at 45 miles per hour?