√180 x 2√30
√36 x 5 x 2√30
6√5 x 2√30
12√5 x √30
12√5 x 30
12√150
12√25 x 6
12 x 5√6
60√6
Answer:
a), b), e)
Step-by-step explanation:
<em>a) -30(3 + 2w) = -90 - 60w</em>
<em>b) (-9 − 6w) x 10 = -90 - 60w</em>
c) -3(30 - 20w) = -90 + 60w
d) (6 + 4w) × 15 = 90 + 60w
<em>e) −20(4.5 + 3w) = -90 - 60w</em>
Answer:
20
Step-by-step explanation:
Riyas score = ( correct answer × mark) + ( incorrect answer × mark lost )
= ( 3× 10) + ( -1 ×10 )
= 30 -10
=20
Linked the answer below not sure if it’s right tho
I think your posting problem your missing an x after 28.
Therefore your answer is
C. (2x+7)(2x+7)
To check use distributive
2x(2x)+2x(7)+7(2x)+7(7)
4x^2+14x+14x+49
4x^2+28x+49