How many atoms of zinc react with 1.49 grams HNO3?

To find the height of a pole, a surveyor moves 160 feet away from the base of the pole and then, with a transit 6 feet tall, measures the angle of elevation to the top pf the pole to be 62 degrees.

Which properties are being used in solving 3+2x=4

Which of the following statement best describes the effect of replacing the graph of f (x) with the graph of f (x) - 3? A) the graph shifts 3 units up. B) The graph shifts 3 units down. i think is correct? C) the graph shifts 3 units left.

Two similar prisms have heights of 4 cm and 10 cm. what is the ratio of their surface areas? 2:5 4:25 8:125 16:625 what is the ratio of the volumes of the prisms in the previous problems? 2:5 4:25 8:125 16:625

Suppose that 30% of students are freshmen and 50% of students are male. assuming that these two designations are independent, what is the probability that a randomly selected student will be a male freshman?

Solve the equation. - 5x + 2 = 67 A) x = 13 B) x = - 13 C) x = 69 / 5 D) x = - 69/5

Mr. Li has a bag of Skittles. There are 5 blue Skittles, 3 red Skittles, and 12 yellow Skittles. What is the probability of pulling out a blue Skittle? Express your answer as a simplified fraction. BONUS: What is your answer as a percent?

Sarah and Emmaree put on just dance. After school. When they started, it was 4:45pm and they danced until 5:30pm how many degrees does the minute hand turn by the time they stop dancing?

A gigameter is 1.0*10^16 kilometers. How many square kilometers are in 5 square gigameters? Write your answer in scientific notation.

X ^3 + 6x^2 + 12x+8 : (x+2)