R = -5 + 19. r = ?

Please help me with this

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal