Driving , Patrick made the trip to his grandmother’s house in 4 hours and 30 minutes. A week later, driving at a constant rate of speed, he returned home in 4 hours and 15 minutes. If Patrick took the same route home, what
was his average rate of speed for his return trip?
A. 50 mph
B. 52 mph
C. 53 mph
D. 54 mph

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

Shape a is congruent to shape , as shown by a reflection across the y-axis and then a translation down units. shape b is congruent to shape , as shown by a reflection across the y-axis and then a translation down units.

Captain umaima has a ship, the h. m.s. khan. the ship is two furlongs from the dread pirate nadia and her merciless band of thieves. the captain has probability 3/7 of hitting the pirate ship. the pirate only has one good eye, so she hits the captain's ship with probability 2/5. if both fire their cannons at the same time, what is the probability that the captain hits the pirate ship, but the pirate misses.