Solve the system of linear equations by substitution 2x=12 x-5y=-29

Simon biles 3 miles in two hours at the same rate how many miles would she be able to hike in 11 hours

Easy way to explain adding and subtracting negative numbers

Find the slope of the straight line that passes through (-2, - 4) and (3, - 5).

10-2=7+4 True or false

1) A fast food restaurant had 13 pounds of flour. If they split the flour evenly among 3 batches of chicken, how much flour would each batch use? Between what two whole numbers does your answer lie?

Mary has a small round mirror in her purse. If the mirror is 4 inches in diameter, what is the area of the mirrored surface?

Kelly is 15 years older than frank. In 2 years time, she will be 4 times as old as him. Find their present ages

An audio/video equipment discount store has 36 salespeople. Daily dollar sales for individual sellers enployed by the store has a normal distribution with a mean of $2000 and a standard deviation of $300.

The slope of the line x=y/4+5

A machine uses 4 ^ 3 beads to make one bracelet. If at the end of the week the machine processed 4 ^ 9 beads, how many bracelets were made?