Evaluate the expression when a=-2 and b=5.
- 7b+a

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

Nikolas calculated the volume of the prism. his work is shown below.

Hi, can anyone show me how to do this problem? 100 points for this. in advance