50 POINTS 1. Find f(5)
f(x)=x^2-10x+15

2. Find g(x)+f(x)
f(x)=-4x+12
g(x)=3x+5

3. Find f(x)-g(x)
f(x)=-4x+12
g(x)=3x+5

Consider a graph for the equation y= -3x+4. what is the y intercept? a) 4 b) -4 c) 3 d) -3

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.