Nadia buys boxes of crackers that each has the same cost c. She represents the cost of 6 boxes of cheese crackers, 5 boxes of poppy seed crackers, and 2 boxes of plain crackers using the expression
6c+5c+2c. What equivalent expression can represent the cost?
A.6x5x2xc
B.13c
C.(6=5)2c
D.14c

B.

Step-by-step explanation:

6c+5c+2c equals 13c so therefore B. is the equivalent expression

B. 13c

Step-by-step explanation:

Basically you should combine like terms, meaning add the numbers with the same variable! So since they all have the same variables add 6+5+2=13 and then add the variable to the end, which makes the answer 13c

x = ± 6i

step-by-step explanation:

x^2 = -36

take the square root of each side

sqrt(x^2) = sqrt(-36)

we know sqrt(ab) = sqrt(a) sqrt(b)

x = ±sqrt(36) sqrt(-1)

we know that sqrt (-1) = i

x = ± 6i

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1