Answer:
A
Step-by-step explanation:
using the rule of exponents
• 
× 
⇔ 
, hence
× 7² = 
= 
Answer:
m=29
Step-by-step explanation:
add 20 to both sides and that is what m equals
Answer: y
= 3/2x+4 if you need to write it in slope intercept form and please give brainliest i will appreciate it.
Answer:
She should have substituted y = 17 - 2x in the first equation
Step-by-step explanation:
3x + 4y = 33
2x + y = 17
y = 17 - 2x
3x + 4(17 - 2x) = 33
3x + 68 - 8x = 33
5x = 35
x = 7
y = 17 - 2(7)
y = 3
x = 7, y = 3
Only one solution
