I need help!! D:

-3.10 divided by 2 - (-8.75)

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same