What is the value of z so that - 9 and 9 are both solutions of x^2+z=103?

a.-22

b. 3

c. 22

d. 184

Three segments of lengths 25 cm, 37 cm, and 62 cm will form a triangle.

Among 320 randomly selected airline travelers, the mean number of hours spent travelling per year is 24 hours and the standard deviation is 2.9. What is the margin of error, assuming a 90% confidence level? Round your answer to the nearest tenth. 0.

Kerry purchased a used car for 14,4000. And had to pay 8% sales tax how much did she pay

There are only about 400,000 African elephants left in the world today. They are classified as endangered by the International Union for Conservation of Nature, and the population continues to decrease by 9% per year.

Owen had 3 different kinds of stickers that he wanted to put on paper. He put a bird sticker on every 30th paper, a sports sticker on every 50th paper and a robot sticker on every 60th paper.

Domain is the set of all input values, while range is the set of all: independent variables C. relations b. output values d. functions а.

1. A clothing store is having a sale of 30% off all dresses. What is the discount and new price of a dress that originally cost $90?

He temperature T of a given mass of gas varies inversely with its volume V. The temperature of 90 cm3 of a certain gas is 30°C. What will be the temperature of the gas when it is compressed to a volume of 18 cm3?

Using the correct number of significant figures, calculate the perimeter and volume of a small, rectangular mirror that is 2.950 in long, 1.844 in wide, and 0.084 in thick.

Suppose you spin the spinner and toss a coin. What is the probability of heads and 1? A) 1/8 B) 1/4 C) 1/2 D) 3/4