Answer:
Step-by-step explanation:
using the rule of exponents
= 
, then
= 
= 
=
A) 3x + 4 = 5x - 10. It's easy to identify the lines' equations by their y-intercept and slope.
$849-20%=$679
$679+6%(sales tax)=$719
$719 is the total cost of the tv
1/2 hr* (5 miles/ 1 hr)= 2.5 miles.
2 1/2 hrs* (5 miles/ 1 hr)= 12.5 miles.
Malia runs 2.5 miles and 12.5 miles in 1/2 hr and 2 1/2 hrs respectively.
Hope this helps~
Answer:
opt 4
Step-by-step explanation:
when x=0, 0+3y= -3, so y=-1 (0,-1) is solution
when x=3 , 21+3y=-3, 3y= -3-21= -24
y= -8 (3,-8) is also solution
