A line containing the coordinates (2,36) and (8,51) gives the height for boys based on age. Let x represent a boy's[..]

A beverage company rents a booth at an art show to sell lemonade. The daily cost to rent is $35. Each lemonade cost[..]

Anabel lives in New York and likes to keep in touch with her family in Texas. She uses 10-10-987 to call them. The[..]

A phone bill is determined each month by a $16.95 flat fee plus $0.10/min of long distance. The equation[..]

In the year 1980, there were 12 thousand female inmates in federal and state prisons. By 2009, the number increased[..]

In 1985, the U.S Postal Service charged $0.22 for first class letters and cards up to 1 oz. By 2009, the price had[..]

what century did mathematicians first use plus and minus signs?

Graph y=x2(squared)-10x+25 on the standard viewing window. Find the x-intercepts, y-intercept, and relative maximum[..]

Graph y=2x2(squared)+6x-40 on an appropriate set of axes. Adjust the minimum value on the y-axis so that the vertex[..]

Graph y=-x2(squared)-5x+3 on the standard axes. find the x-intercepts, y-intercept, and vertex. Determine whether[..]