Whats the solution to this equation? 2x + 3(x - 10) = 45

A. x = 7
B. x = 3
C. x = 15
D. x = 11

)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)

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project