Astudent is trying to solve the set of two equations given below: equation a: x + z = 6 equation b: 3x + 2z = 1 which of the following is a possible step used in eliminating the z-term? multiply equation a by −2. multiply equation b by 2. multiply equation a by 3. multiply equation b by 3.

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright