Rectangle PQRS is shown with its diagonals, PR and QS. Rectangle P Q R S is shown. Diagonals are drawn from point P to point R and from point S to point Q and intersect at point T.

What type of triangle is △STR?

right triangle
equilateral triangle
isosceles triangle
scalene triangle

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?