Joey works 20 hours a week. if he works for 10 months continually, how many hours will he have worked? (1 month = 4 weeks)

100 hours

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition