How many ordered pairs of prime numbers (a, b) are there such that a+b=100

What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2

The tile along the edge of a triangular community pool needs to be replaced? ?

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute