Simplify the expression: 9 x + 4 y minus 7 x + 2 y.
a. 2x2 + 6y2
b. 2x + 6y
c. 8xy
d. 8x2y2

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a. m. if he arrives at the gate at 11: 45 p. m., can he board the flight?

Solve 2^x=32 and rewrite this equation in a logarithmic form

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm