Answer:
3x+4=10
3x=10-4
3x=6
3x/3=6/3
x=2
5x-2y=21
5(2)-2y=21
10-2y=21
-2y=21-10
-2y=11
-2y/-2=11/-2
y=11/-2
d. 5
Step-by-step explanation:
it just is trust me
7500(1+0.032)5=
1.032 to the power of 5= 1.171
7500x 1.171=8,782
1/8miles a second it's easy I'm good at mathematics
