Given: g(z)=5z+2.1 1. What is the value of g(z) if z= -4?

2. What is the value of g(z) if z= -7?

3. What is g(-8)?

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?