Evaluate 10.5p +9.9r when p = 7 and r = 8.
10.5+9.90
+ 79.2

)a smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0 millimeters (depth). what is the volume of the smart phone in cubic centimeters? (1 in = 2.54 cm)

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees