Answer:
y= -30
Step-by-step explanation:
THis is because you substitue 3 for X and then multiply -10 and 3 and a negative times a positive is a negative so -10 times 3 is -30
10.5 divided by 8 should be 1.3125
I dont remember that one sorry
Step-by-step explanation:
Answer:
143
Step-by-step explanation:
90-53=37
180-37=143
You need to expand the brackets eg.
(w-9)8 basically means 8 x (w-9) = 8w-72