A coin is flipped 25 times, and it lands on heads 10 times. Based on the experimental probability, how many heads would you predict for 240 flips of the coin?

90

96

100

35

Beth records the height of a plant for 8 weeks and creates a scatter plot of the data. What is the equation of the line of best fit? What will the plant's height be in 20 weeks?

Law of Sines: sin (A) / a = sin (B) / b = sin (C) / c Triangle ABC has measures a = 2, b = 2, and m∠A = 30°. What is the measure of angle B? A. 15° B. 30° C. 45° D. 60°

An open box is constructed of 3500 cm2 of cardboard. The box is a cuboid, with height hcm and square base of side xcm. What is the value of x which maximises the volume of the box?

A jet airliner flies 4,100 km from New York City to San Francisco in 4.25 h. What is its average speed?

6x=3 simplify your answer as much as possible.

The height of a cylinder is twice the radius of its base What expression represents the volume of the cylinder, in cubic units? O 4nx2 O 2nx3 O nx2+2x O 2+nx3

What is 5 (2x+1) = 4-2 (4x-5)

The sum of two numbers is 16, and there difference is 8. determine the numbers by solving the following systems of equations, using x and y to represent the unknown numbers. x+y = 16 x_y=8

A study will be conducted to investigate whether there is a difference in the mean weights between two populations of raccoons.

104/99 as mixed number