What is the value of this expression when a = 4, b= -5, and c = -7? a + 2bc/3a

Write a division equation you could use to find a, the number of miles ava is in charge of. what is the value of a? write your answer is simplist form

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

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer