A researcher wants to compare IQ scores for boys and girls. He obtained IQ scores for 47 randomly sampled seventh-grade boys in a Midwest school district and 31 seventh-grade girls in the same district. Based on the design what test should the researcher use to analyze the data Group of answer choices

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12