What expression is equivalent to (x2+3x-4) (x-5)

Two identical lines are graphed below. How many solutions are there to the system of equations?

To begin a bacteria study, a petri dish had 2300 bacteria cells. Each hour since, the number of cells has increased by 9.3%. Let t be the number of hours since the start of the study. Let y be the number of bacteria cells.

A circle's circumference is approximately 76 cm. Estimate the radius, diameter, and area of the circle.

If you flip a coin 4 times, what is the probability that you will get exactly 2 tails?

Joseph has 2 2/3 bags of popcorn, Sally has 1 3/4 bags of popcorn. How much do they have together?

Square root of x^13 simplify

If the perimeter of an equilateral triangle is 30 ft, what is the area? 25√2 sq. ft. 25√3 sq. ft. 50√3 sq. ft.

A car dealer paid a certain a price for a car and marked it up by 7/5 of the price. Later, he sold it for$24.000. What is the original price.

How do u write y=x-4 in standard form using integers. I need the work!

Two number cubes are rolled at the same time. What is the probability that both number cubes will show an even number?