Solve the following system using substitution
x − 5 y = 32
2 x − 9 y = 57

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!