Aball is dropped from a treetop 256 feet above the ground. how long does it take to hit the ground? (s = 16t^2)
4 seconds
8 seconds
16 seconds

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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“a term can be a signed number, a variable, or a constant multiplied by a + sign or j sign. in , the terms are 5x , 3y and 8. when a term is made up of a constant multiplied by a variable or variables, that constant is called a coefficient.” i hope this you.

the answer is 15.50 for one mile

b) is slope: 0   y- intercept 15.5