Researchers are testing for a gender difference in online textbook purchases. They find that 146 of 222 males have shopped for books online while 157 of 204 females had. What is the correct statistical procedure to address this research idea? a. t-test
b. Independent Samples t-test
c. z-test
d. 1-proportion z-test
e. 2- proportion z-test
f. ANOVA
g. None of the above.

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

Write the expression 7x^3-28xy^2 as the product of 3 factors