80% of the tickets sold at fun fair. If the park sold 45 tickets in all, how many discount tickets did they sell?

6. Which expression has the same value as -9 + (-4) ? a. - 9 - (-4) b. - 4 - (-9) c. 9-4 d. - 9 + 4

12. How many students scored at least 60 on the test? a) 3 b) 4 c) 11 d) 7

Every cubic millimeter of blood contains about 7500 white blood cells. A count less than 1500 above this number is still considered healthy. Is a white cell count of 8750 considered healthy? Explain.

12/11k:4/3k simplify the fraction

Find the equation of a parabola with vertex at the origin and focus (0, - 32). y^2 = - 128x x^2 = - 32y x^2 = 128y x^2=-128y

An orchestra of 120 players takes 40 minutes to preform a symphony. How long will it take for 60 players to preform the symphony

Name the next two numbers in the series: 128, 64, 16 ...

The triangle has boon reduced by a scale of 1. What is the area of the reduced trianglo? Maria solved the area problem below. What was her error? (1) (25,5) / 30) () = 76,5cm Maria solved the area problem below. What was her error? 25.

In 1980, Town A had a population of 1200 people and the population increased by 300 people each year. In 1980, Town B had a population of 500 people and the population increased by 12% each year.

A population increases 3% each year. If the city is now 5 million, what will the population be in 5 years?