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If 20% of a number is 35, what is 50% of that number?

Describe the domain and range of y=2(3)^x-2+5

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.