Assuming yo meant
4(3b+2)²=64
divide both sides by 4
(3b+2)²=16
sqrt both sides
remember to take positive and negative roots
3b+2=+/-4
minus 2 both sides
3b=-2+/-4
divide by 3
b=(-2+/-4)/3
b=(-2+4)/3 or (-2-4)/3
b=2/3 or -6/3
b=2/3 or -2
A is answer
Answer:
20 by 20
Step-by-step explanation:
the new dimensions have to be 12 because 12×12 =144 so you would add 8 to 12 and get 20 for each side
Answer: 0.73^9
Step-by-step explanation: Khan
So we have
2 choices for cloth
3 choices for leather
2 choices for cloth
we have to multiply each individually
we just add them
3 leather+2 cloth=5 choices
she is wrong
because the asnwer is 5
ΔACB and ΔMNB are similar. Therefore the corresponding sides are in proportion:
Substitute:
