Which function has a domain of all real numbers?

Y = sinx

Y = cotx

Y = tanx

Y = secx

Tara, Mark, John and Sophie each ate a different kind of mini-pizza for lunch. After lunch, there was 1/4 of the plain pizza left, 1/3 of the broccoli pizza left, 1/2 of the mushroom pizza left, and 5/8 of the salami pizza left. Tara ate the most.

32.8 written in cm is?

There is a 5% sales tax on clothing at your favorite store you've gone shopping 4 times how much tax did you pay each time? total-$15,$35,$50,$120 tax-?,?,?,?

A rescue shelter has a total of 30 occupants. The number of legs at the shelter totals 96 legs. There are spiders and frogs at this shelter. How many spiders and how many frogs are at the shelter?

What is equivalent to 8 + 18a - 2 + 6a

A golf ball is selected at random from a golf bag. If the golf bag contains 3 brown balls, 8 red balls, and 9 yellow balls, find the probability of the following event. The golf ball is brown or red.

The engine in Paul's weed whacker uses an oil-gas mixture. The owner's manual recommends mixing the oil and gasoline together, using the size of the oil container to guide how much of each to use. It states to use 1/8 part oil with 4 parts gasoline.

Use the net to find the surface area of the square pyramid. A) 385 ft2 B) 473 ft2 C) 526 ft2 D) 568 ft2

Matrix L is a 1 ⨯ 8 matrix, matrix M is a 8 ⨯ 8 matrix, matrix N is a 1 ⨯ 1 matrix, and matrix P is a 8 ⨯ 1 matrix. Find the dimensions of the sums below, if they exist. (If an answer does not exist, enter DNE.

Simplify the expression. 4 + 18 : 2 - 1 20 22 12 10