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Use algebraic addition to simplify these expressions. Show your work.
A. (-1)-(-8)
B.(-7)- 7
C.(-4)- 6
D.(-1)+(-7)-4
E. 5-(-5)-(-4)

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!