Answer:
3
Step-by-step explanation:
How I Was Taught You Do Foil F-First O-Outer I-Inner L-Last So You Would Multiply First Number With The Other First Number Which Is The 4b×4b=16b² Then You Solve The Outer 4b+1 Then The Inner -1+4b & The Last -1+1
~Hope This Helps
Answer:$7,200
Quantities that changed in the problem are
1. The value of the coin
2. The time it took to appreciate to that value
Step-by-step explanation:
Current value = $5,400
Increase in value (monthly) = $30
In 5 years time, the value would increase by
(12*5) * $30 = $1800
Value in five years = current value + increase in value
Value in five years = $5400 + $1800
Value in five years = $7,200
Answer:
Charles's reasoning is wrong.
Step-by-step explanation:
Lupita has 7 pounds for 16.8 and Charles has 5 pounds for 16.8.
Let's set up ratios.
So Lupita got the best deal, not Charles. Poor him.
Answer:
9
Step-by-step explanation:
The two triangles
.
Therefore the corresponding sides are proportional.

From the diagram |MP|=4, |PN|=3, |MN|=5 |ST|=x and |TR|=12.
Let us substitute the values and solve for x.

Multiply both sides by 3 to get:

This implies that:

Therefore x=9