How to determine if a quadratic has 0,1, or 2 solutions?

The number of books I read over the summer depends on how much time I spend at the pool what is the independent and dependent variable

Solve the exponential equaion for x. 5^7x+5 = 125^2x-7

A worker is being raised in a bucket lift at a constant speed of 3 ft/s. When the worker's arms are 10 ft off the ground, her coworker throws a measuring tape toward her.

Simplify 3ab (2ac + 3bc)

What is 377,060 written in expanded form using exponents

A car decelerates at a constant rate as it approaches a red light. The velocity of the car in meters per second as it decelerates is modeled by the function f (x) = - 4x+20, where x is time in seconds.

Consider three persons, A, B, and C, who are to be seated in a row of three chairs. Suppose A and B are identical twins. How many seating arrangements of these persons can there be If you are a total stranger?

A cell phone company surveyed 200 random customers on whether they were satisfied with their phone service. They also noted which service plan each customer had.

Ksenia wants to chop broccoli and carrots for a competition. Her goal is to chop at least 20 vegetables (condition A) with a time limit of 540 seconds (condition B). What is the least number of carrots Ksenia must chop to meet both her constraints?

I started at my house at (-3,5) and started driving to fredericksburg. i got a flat tire halfway at (10,-5) how far would my whole trip have been if i didn't get a flat tired?