Ronald purchased a brand new phone for $450.00. Since
phones are taxable, he had to
pay a sales tax of 4.5%. How
much sales tax did Ronald pay
for the phone?

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

6

step-by-step explanation:

i think the answer is b x = 1, y = 35/2