If the discriminant of an equation is zero, which of the following is true of the equation?

a. it has one real solution

b. it has two complex solutions

c. it has two real solutions

d. it has one complex solution

Make an equation to represent the area of a square whose sides are given by the expression x + y

The hypotenuse of a right triangle is three times the length of one of its legs. The length of the other leg is four feet. Find the lengths of the three sides of the triangle. For non-integer answer (s), round your answer (s) to the nearest tenth.

What is 3 divided by 438?

Derek's favorite clothing store is having their annual fall sale. All clothing is 25 percent off. A shirt he really likes has an original price of $28. Derek has $24 in his wallet.

Solving Exponential Equations (lacking a common base) 2^s=19

Sisters Rosey and Valerie specialize in two different triathlon events. Rosey finds that her average cycling speed is 7 mph faster than Valerie's average running speed. Rosey can cycle 32 miles in the same time that it takes Valerie to run 18 miles.

A restaurant charges $3.00 for a refillable cup. Tha refills are complementary.

Which of these is a possible mathematical description of the wave? Which of these is a possible mathematical description of the wave? Asin (2πft) cos (2πz/λ) Asin (2πft) sin (2πz/λ) Asin[2πf (t+z/v) ]Asin[2πf (t-z/v) ]

Alan found the value of the expression (15 - 6) 2 to be 189. Is he right? A) No, because first he should square 15 and 6. B) Yes, because first he should square 15 and 6. C) No, because first he should subtract 6 from 15.

What is 6/8 in the simplest form