Answer:
A
Step-by-step explanation:

Expand parentheses:

Move all y's to one side and numbers to the other:

Divide both sides by -6. Since you are dividing both sides by a negative number, you need to flip the comparator:

Hope this helps!
Answer:
a. 12s + 19j - 3
36 + 28 - 3 = 61
b.
Shirt (per unit cost):
Before Discount: $12
After Discount: $12 - $3 = $9
Jeans (pair cost):
Before Discount: $19
After Discount: $19 - $3 = $16
(12-3)s + (19-3)j
27 + 32 = $59
Answer:
20 dimes and 8 nickels
Step-by-step explanation:
20 dimes = 10 x 20 = $2.00 and 8 nickels = 40 cents.
total is 2.40
You can work out the percentage on a calculator by doing:
53/100
=0.53
And hen multiplying 0.53 by 12 to get
6.36
Cut the figure into two parts
area of a rectangle is length x width
10x5=50m
2x4=8
add them together
50+8=58