Simplify the expressions.

a. 7 + 10x - 7 + 7x

b. 6 + 8b - 8b2 + 3b - 6 - 10b2

The slope of a line is - 4, and the y-intercept is - 3. What is the equation of the line written in slope-intercept form? y = - 4x - 3 y = - 4x + 3 y = 4x - 3

39. You need to rent a car for a trip. Wrecko'mend charges $. 10 a mile plus a $30 flat fee. Rent a Wreck charges $20 a mile with no fee. How many miles does the trip have to be for Wrecko'mend to be the better deal?

When two fractions are between 0 & 1 half how do you know which fraction is greater explaina

A card is drawn randomly from a standard deck of cards. you win $10 if the card is a spade or an ace. what is the probability that you will win the game?

1. Find the vertex of the parabola whose equation is y = x^2 + 6x + 2. 2. What is the line of symmetry for the parabola whose equation is y = 3x^2 + 24x - 1? 3. What is the line of symmetry for the parabola whose equation is y = x^2 + 10x + 25? 4.

A family went to a baseball game. They parked the car in a parking lot which charged $20. The cost per ticket was $28. Write an equation for the total cost of going to the baseball game, where y is the total cost and x is the total number of people.

Show me how to work the equation for 6*+20=-4

the total cost of a pair of shoes is $85.86. What was the cost of the shoes before the 8% sales tax was added?

The sum of two numbers is fifteen. One number is three less than the other. Find the numbers.

Which values for x and y make the statement, (x+4) (y-1) = 0, true? A) x = - 4, y = 1 B) x = - 4, y = - 1 C) x = 4, y = 1 D) x = 4, y = - 1