William cycles at a speed of 15 miles per hour. he cycles 12 miles from home
to school. if he increases his cycling speed by 5 miles per hour, how much
faster will he reach his school?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13