How many real solutions does each equation have? Enter "0", "1", or "2".

8x2 – 10x + 15 = 0

2x2 – 8x – 1 = 0

–x2 + 12x – 36 = 0

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Daniel bought a computer game for $25 and later sold it to thomas for a 40% profit. how much did daniel sell the computer game for?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days