1. The pollution level in the centre of a city at 6 am is 30 parts per million and it

grows by 25 parts per million every hour after. make an equation

A construction crew has just finished building a road. the crew worked for 10 days. if they build 2 3/4 kilometers of road each day, what is the total length of road they built?

Admission to the school fair is $2.50 for students and $3.75 for others. If 2848 admissions were collected for a total of $10,078.75, how many students attended the fair?

You roll a fair 6-sided die. What is P (roll less than 4) ? If necessary, round your answer to 2 decimal places.

Thomas has a bag with 7 green marbles, 5 blue marbles, and 4 red marbles. For each part below, if the marble selected is replaced before the next marble is drawn, find the probability for the given draw. A red marble?

A building casts a shadow in the shape of a right triangle with a base 18 feet wide and a height of 20 feet. What is the total area of the shadow? 38 square feet 90 square feet 180 square feet 360 square feet

From least to greatest 2.62, 2 2/5, 26.8 %, 2.26 and 271 %

What is the difference between "Probability" and "Statitistics"?

What is the area of the triangle in the diagram? A. 1 2 (01 - 3) (x2-4) B. 34 (12 - 57) C. (2 - x4) D. 2/18 - 13) (5} - 88 D

The Willis tower is 1400 feet tall. If you took an elevator about 3/4 the way up the tower, how far from the ground would you be, in feet?

Determine which value is a solution to the open sentence. 6 + 2x = 24 A. 16 B. 9 C. 6 D. 15