Please help me! I'd be filled with so much gratitude

What is the area of the triangle 10 13 12

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq