What is the number of real solution? - x²+9x+7=0

a) one solution.

b) no real solution

c) two solution.

d) cannot be determined

1*10^-4 + 4*10^4 what is the answer

There are around 132 births in the united states per minute. how many births per day

Yolanda buys 5.8 gallons of gas for $ 24.07. Find the unit price in dollars per gallon. If necessary, round your answer to the nearest cent.

The roof of a house is in the shape of a square pyramid. The slant height of the pyramid is 17 feet, and the length of each side of the square is 30 feet. What is the lateral surface area of the pyramid in square feet?

X (year) | y ($ in billions) 1980 | 120 1985 | 165 1990 | 239 1995 | 290 2000 | 376 The table shows the billions of dollars spent on food and drink in U. S. restaurants for the years shown. Find the rate of change for 1980 to 1990.

Round 0.859 to the nearest tenth

3,7,11,15 ... what's the recursive formula?

What happen to the dallas sheep rancher who claimed he was going to start selling wool in 47 different colors?

F (x) = 2/x at x = - 2

Write each number in expanded form 670,200,640