Answer:
x is 3......♥................
Step-by-step explanation:
7x=21
x=21/7
x=3
divide both sides by 7 to get x by itself
7x/7= 21/7
cross out 7 and 7 , divide by 7
then becomes 1*1*x= x
x= 21/7
x= 3
1.65 im no sure
3.25+3.25=6.50 +1.80 =8.30
8.30/ divided 5= 1.65
A. 4h 18min
Apex
665.9
its rounded to the nearest tenth