Need help.25 points+ i'll give brainliest
Use algebraic addition to simplify these expressions. Show your work.
A. (-1)-(-8)
B.(-7)- 7
C.(-4)- 6
D.(-1)+(-7)-4
E. 5-(-5)-(-4)

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?