Your family goes to Red Robin for dinner. Your bill
comes to $78.97 with 9%
sales tax. Your dad wants
to add 20% tip due to the
great service. What does
your dad pay for this great
night out?

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer

21.4 i did it already for s1

step-by-step explanation:

answer;

the correct answer

just use google you beautiful person.

have a nice day < 3

answer: 1 and 3

step-by-step explanation: