An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1 hour, it must travel at a speed of?

A city of 100,000 is having pollution problems and is decreasing in size 2% annually (every year). Find the population of this city in 100 years.

Find zeros of x^4-5x^2+4

At a certain library, an average of 5,000 people visit each month. in july, there was a 15% decrease in the number of people who visited. which expressions represent the average number of people who visited the library in july?

Is the answer is this a reasonable to the problem 6.98 x 11.12 = 776.176 yes or no

Parallelograms ABDC and EFHG are similar. If side AC equals 4 units, side AB equals 16 units, and side EG equals 32 units, what is the length of side EF?

A convex polyhedron has (8a) faces, (6a + 6) vertices, and (15a) edges. What is the value of a? Euler's formula: V + F = E + 2 a =

An acute angel measure is

A cruise ship is traveling at a speed of 20 knots. Each knot is 1.151 mph What is the speed is the ship traveling in yards per second

A garden has the shape of a right triangle with one leg 3 meters longer than the other. The hypotenuse is 3 meters less than twice the length of the shorter leg. What is the length of the shorter leg?

What is a equivalent fraction for 28 15/8