13. JEWELRY Marena is using a certain number of blue beads in a bracelet design. She will use 7 more red beads than blue beads. Write an expression
in simplest form that represents the total number of beads in her bracelet
design.

a c

step-by-step explanation:

answer: 4 (:

step-by-step explanation:

answer: -10

step-by-step explanation:

s(t) = 1 - 10t

s(x) = 1 - 10x

s(x + h) = 1 - 10(x + h)

            = 1 - 10x - 10h

s(x + h) - s(x) = 1 - 10x - 10h - (1 - 10x)

                      = 1 - 10x - 10h - 1 + 10x

                      = -10h

= -10

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