P varies inversely with x. If P = 7 when x= 8, find the value of P when x= 7. O A 0.125 O B 1 C. 7 D. 8

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10