Which of the following best describes the expression 2a + 3b + 4c + 5d?
a.) the product of four sums; there are four terms
b.) the product of four sums; there are eight terms.
c.) the sum of four products; there are four terms
d.) the sum of four products, there are eight terms

Option C The expression is the sum of four products; there are four terms

Step-by-step explanation:

we have

we know that

The expression is the sum of four terms

Each term is a product

so

there are four products

therefore

The expression is the sum of four products; there are four terms

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.

the answer is 13/48

step-by-step explanation: