Answer:
Step-by-step explanation:
"x" is geometric mean
x² = 4 × 16
x² = 64
x = 8
Answer:
7x + 14
Step-by-step explanation:
the first thing to do is expand the parentheses/brackets.
3(5x + 2) -2(4x - 4) will be
3(5x) + 3(2) -2(4x) -2(-4)
= 15x + 6 - 8x + 8
collect like terms
15x - 8x + 6 + 8 = 7x + 14
the answer is 7x + 14
Answer:
y=4.2x-3.7
Step-by-step explanation:
Slope-intercept form is y=mx+b, so just plug in the numbers to where they go in the formula.
Answer:
I believe its 8
Step-by-step explanation:
9 + 10 + 13 + 2 +6 = 40 / 5 = 8
