Which of the following is irrational?

A. 7.51 ... x - 4

B. root 16 + 3/4

C. root 3 + 8.486

D. 8 2/3 x 17.75

A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, the angle of depression to the boat is 14°52'. When the boat stops, the angle of depression is 45°10'.

Which of the following is a quadratic function? 1. f (x) = 0x^2 + 3x - 6 2. f (x) = 3 - 4x^2 3. f (x) = 2^x 4. f (x) = 2x + 5

Do decimals have opposites? explain

Light travels at a speed of 1.86 * 10 (power of 5) miles per second. It takes light from the Sun about 4.8 * 10 (power of 3) seconds to reach Saturn. Find the approximate distance from the Sun to Saturn. Enter your answer in scientific notation.

There are 1800 students in a school. 53.5% of them are male. How many are female?

The sum of three numbers is 131. The second of the three numbers is seven more than twice the first. The third number is 12 less than the first. What equation can be used to solve the problem

The first term in an arithmetic series is 2, while the sum of the first 8 terms of the series is 1472. What is the 8th term in the series?

Given that F (x) = x 2 + 2, evaluate F (1) + F (5) which is the answer? 38 30 15

The largest frog in the world is the goliath, found is west africa. It can grow to 12 inches long. The smallest frog can grow to about 4 percent as long as the goliath. What is the approximate length of the smallest frog in the world?

the original price of a pair of jeans is $50. it is on sale for 15% off. how much are the jeans on sale for?