What is the simplified form of the expression? 5 c squared d minus 4 c + 3 minus 3 + 2 c squared d minus 3 c + d minus 7 3 c squared d minus 7 c + 2 d minus 10 3 c squared d minus 7 c + 4 d minus 10 7 c squared d minus 7 c + 2 d minus 10 7 c squared d minus 7 c + 4 d minus 10

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%