Answer:
43
Step-by-step explanation:
Let's call this number x. The word sum means addition, so we can write x + 21 = 64. When we subtract 21 from both sides, we get x = 43. Hope this helps!
Answer:
x56
Step-by-step explanation:
Answer:
Answer would be D
Step-by-step explanation:
Well u do 31.2 x 18 which is 561.6 then u divide by 2 because the formula for a triangle is base x height divided by 2 so It is 280.8
Answer: 6
Step-by-step explanation: -8 x -8 = 64
64 - -58 = 6