You are hiking on a trail that leads to the top of a mountain. at 1 p. m. you reach an elevation of 4400 feet. at 4 p. m. you reach an elevation of 5600 feet. what is your mean hourly change in elevation?

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza