Answer:
12+x=12+4=16
3x+y=3*4+7=12+7=19
4y-10=4*7-10=28-10=18
1/2xy=1/2*4*7=28/2=14
Step-by-step explanation:
The answer is D. Please study for yourself and your future this is easy, you just need shift your focus on studying
Answer: if you are paying for you and your friends bike rentals, it is $32.50
Step-by-step explanation:
3.25x10 (2)