Aphotography studio charges a sitting fee of $45 plus $2.50 per photograph. another photography studio has no sitting fee but charges $3.75 per photograph. for how many photographs is the cost of the photography studios the same?

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.