-5x < 2 I need help on this please

x + 3 < 70
I need help on this one also

5x < 2
I need help on This lastly ​

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers