A teacher buys a ruler for $2.25 and a sketchbook for $10.25 for each student in their classroom. The teacher spenes a total of 5525.0D for all of the rulers and sketchbooks

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Lindsay used two points, (x, y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft. what is the area of the stage? enter your answer in the box. ft²