Will award 15 (1) −(−2−5x)+(−2)=18 x= (2) −3−3/4(c−4)=5/4 c= (3) 1/2n+3/4n=1/2 n= (4) 0.7n+0.8n=2.1 n= (5) 4/5(2x+5)−4=1 x=

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36