Adding and Subtracting Polynomials Matching 1

Solve for x. x2+10 + 25=27

In the following expression, n is a rational number: - 0.7 (n + (-n)) Which expression below is equivalent to this expression? A. - n (-0.7 + (-0.7)) B. 0.7n+0.7n C. - 0.7n-0.7n D. - 0.7xn + (-0.7))

Doreen walks 5 kilometers on arrear ill every day after work. How many meters will Doreen walk on the treadmill in 5 days?

John owns a hot dog stand. He has found that his profit is represented by the equation p (x) = - x^2+62x+77, with p being profits and x the number of hot dogs sold. How many hot dogs must he sell to earn the most profit?

5 ln (5x + 9) - 4 = 11

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.