OK my paper says the numerical expression 5+12 represent the sum of 5 and 12. I don't understand

An airplane flying at a velocity of 610 m/s lands and comes to a complete stop over a 53 second period. a) Did this airplane speed up or slow down? Explain your reasoning. b) Did this airplane accelerate or decelerate? Explain your reasoning.

What is the greatest common factor of 30y8+10y4? y2 10y4 10y8 20y2

Work out the circumference of a circle. Give your terms of pi

Theres a Park that is 46 feet away from seans house. If he has already walked 28 feet to the Park, how many more feet does sean need to walk

Carol is cross-country skiing. The table shows the distance she traveled after various numbers of minutes. What is the rate of change?

the length of a rectangular parking lot at the airport is 2/3 is mile. if the area is 1/2 square mile, what is the width of the parking lot

When is g (x) = 0 for the function g (x) = 5⋅23x + 4? a) when x = 0 b) when x = 1 c) when x = 4 d) never

Drag each expression to show whether the product is less than 1, equal to 1, or greater than 1. 4*1/4 4*2/9 2*2/5 8*2/5 6*1/5 5*1/4

Rewrite the equation 4x + 6y = 8 in slope-intercept form.

What is 80% of $200?