At ralph's grocery store, green peppers cost $0.84 each and red peppers cost $0.95 each. chung hee buys twice as many green peppers as green peppers as red peppers and spends $7.89. how many green peppers and how many red peppers did he buy?

step-by-step explanation:

quartic functions has x = –1 and x = –2 as its only two real zeroes:

f(x) = a(x+2)(x+1)   a: real number

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.