Answer:
-10
Step-by-step explanation:
the upper right is the same (105°), therefore the left 75°
now you have 180 = 75 + x + 115
therefore: -10
Answer: -24
-140/14+140/-10
-10/1+-14/1
-10+-14/1
=-24
Answer: 8
Step-by-step explanation:
16÷ 2 = 8
Hello,
let's assume j the john's age, m the mary's age.
<span>"John is twice as old as mary"==>j=2*m
</span>
<span>"the sum of their ages is 21" ==>j+m=21
==>2*m+m=21
==>3m=21
==>m=7
and j=21-7=14
</span>
I think the answer is 1620 inches.
Because 36 times 45 is 1620
