Answer:
UV=142
Step-by-step explanation:
21x-13=10x+31
+13 +13
21x=10x+44
-10x=-10x
11x=44
÷11 ÷11
x=4
now substitute 4 in place of x (only have to solve one)
21(4)-13= 71
now multiply your answer by 2
71×2=142
Your answer for 15 is D or C. For 16 I’m estimating 125?
Answer:
Last one
Step-by-step explanation:
Find common denominators soo for example if we had 4/6-1/2
The common denominator would be 6 so
4/6 - 3/6
4-3 is 1 so
The answer would be 1/6
