Answer:
A.
Step-by-step explanation:
Dilation from origin rule: (kx,ky) where k is the scale factor.
In this case, you would multiply each coordinate by 1.5 so, after multiplying the answer would be A.
Answer:
9a-7
Step-by-step explanation:
8a-6+a-1
Collect like terms
8a+a-6-1
= 9a-7
Answer:
$2.10
Step-by-step explanation:
Given: Regular price of vest is $15.99
Sales price of vest is $13.99
Sales tax= 5%
As given, there is difference in regular price and price on sales
∴ saving before tax=
saving before tax= $2
Now, applying tax on both price to look at the saving on vest.
Tax on regular price=
⇒ Tax on regular price=
∴ Price of vest after applied on regular price= .
Next Tax applied on discounted price of vest.
Tax applied on discounted price=
⇒ Tax applied on discounted price=
Finding difference of price of vest to know the saving on sale.
Saving on vest=
Hence, Saving on buying vest on sale is $2.10
B cause it has not vertexes