R = [ 3 7 -2 -11 ]
for 4R, you just have to multiply each by 4
4R = [ ( 3 x 4 ) ( 7 x 4 ) ( -2 x 4 ) ( -11 x 4 ) ]
4R = [ 12 28 -8 -44 ]
Yeah, they're equal.
8 * 3 = 24 and 8 * 4 = 32
so 24x+32 = 24x+32
If she sold 20 cookies, she would make $50
Answer:
Im pretty sure it's 5.83
Step-by-step explanation:
Hope this helped! Pls mark brainliest thx.