Amara and Nia had 45 marbles both of them loss 5 marbles each. The product of the marble they now have is 124. Amara had fewer marbles than nia. How many marbles did Amara start with ?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

What is the value of x in the this question ?

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.