Using PEMDAS, which expression would you solve for first in the equation 7 * 4 + 22 / 4 - 2?

A. 7 * 4

B. 22

C. 4 + 22

D. 22/4

A. 7*4

because there are no parentheses or exponents so multiplication is next

The answers would be as follows:

Susan’s kinetic energy is (1,250) joules. Susan’s kinetic energy is greater than Hannah’s because (speed has a greater effect than mass). 

Hope this answers the question. Have a nice day. Feel free to ask more questions.