If angle x has a measure of 40 degrees and angle y is vertical to angle x, what is the measure of angle y?

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Write the rational number in lowest terms 99/-15