An aquarium at a pet store has 18 black neon tetra fish in it. A customer buys 12 black neon tetra fish at the same time the store clerk adds 7 more black neon fish to the tank. How many black neon tetra fish are in the aquarium now?

the spanner name that made offsets 15%degree from the axis of the handle to allow continuous turning

11. 11. A video game gives you 100 seconds to complete the level and move to the next. You are halfway through the level after 55 seconds. a. Write and solve an inequality to find out how much time you have left to complete the level. b.

Find the x-intercepts and y-intercept of y=x^3-2x^2-4x+8

The length of a rectangle is increasing at a rate of 6 cm/s and its width is increasing at a rate of 5 cm/s. when the length is 15 cm and the width is 9 cm, how fast is the area of the rectangle increasing?

What is log base3 a/3

In a certain liberal arts college with about 10,000 students, 59% are males. If two students from this college are selected at random, what is the probability that they are of the same gender?

A bag contains 5 blue marbles, and 3red marbles. A marble is randomly drawn from the bag. The probability of not drawing a black marble is. The probability of drawing a red marble is

If tan (theta) = 3/4 and theta is an acute angle, find cos (theta)

Which rational number equals 0.5?

On a piece of paper, use a protractor and a ruler to construct two equilateral triangles: one with a side length of 4 inches and one with a side length of 5 inches. Which statement is true about the two triangles?