Mike and jamal are 9 miles apart, and are planning to meet up. mike is walking at an average speed of 3 miles per hour to meet jamal. jamal is driving at an average speed of 25 miles per hour to meet mike. which equation can be used to find t, the time it takes for mike and jamal to meet?

Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 – 4x + 8x^2) + (–6 + 2x – 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x – 5 – 7x^2) – (–2 + 6x^2 – 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by –1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.

Solve the system of equations y= 3/2 - 1, -x+ y =-3

What is the result of adding the system of equations? 2x+y=4 3x-y=6