13. 1,6
18. -15,12
19. -7, 1/2
<span>The 6 means we round the 7 up to the next number which is 8. Thus, we round 4.76 to </span>4.8
12 subtract 2 times 5 plus 7 is 9
Step-by-step explanation:
( 1 + 2 + 9 ) ÷ 22/ 1
12 ÷ 22
6 ÷ 11
cc: Anything raised to the power of zero is 1
X=15
Just divide 5x by 5 and 75 by 5
