Tom buys a pen holder for $5 and 10 pens for $1 each. the sales tax for the whole purchase is $3. what percent was the sales tax?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

The equation represents the function f, and the graph represents the function g. f(x)=3(5/2)^x determine the relationship between the growth factors of f and g. a. the growth factor of g is twice the growth factor of f. b. the growth factor of f is twice the growth factor of g. c. the growth factor of f is 2.5 times the growth factor of g. d. the growth factor of f is the same as the growth factor of g.

Which pair of numbers is relatively prime? a. 105 and 128 b. 130 and 273 c. 205 and 350 d. 273 and 333