Answer:
70%
Step-by-step explanation:
First find the ones that still need to be installed
270-81
189
Percent to be done = number to be installed / total
=189/270 =.7
Change to percent form = .7 *100% = 70%
It’s A
Explanation: because it’s A
Answer:
option c is the correct.
Step-by-step explanation:

by using the laws of exponent
a^m×a^n=a^m+n
12x^4+2/3x²

4x^4-3
4x³
Answer:
see explanation
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
here m =
and (a, b) = (- 7, 2), thus
y - 2 =
(x + 7) ← in point- slope form
Answer:
- Parallelogram has two pairs of parallel sides.
- Square has four right angles, two pairs of parallel sides, and all sides congruent.
- Trapezoid has only one pair of parallel sides.
Step-by-step explanation: