You dropped two coins. What is the probability that they will both land on

heads?

Given the following recurrence relation: An = (-2) An-1, with A0 = (-1) determine the value of a5

Are lines 2y-12x=20 and y=3x-1 parallel

Solve. Show your work.: A card traveled a distance of 124 miles in 2.5 hours. Find the speed of the car.

The marginal cost of providing 25 neighborhood street lamps is $2000. There are 3 people living in the neighborhood. Person 1 is willing to pay $800 for the 25 lamps and person 2 is willing to pay $300 for the 25 street lamps.

What is the radius of a circle with a circumference of 125.66 feet?

Shirley is drawing triangles that have the same area. the base of each triangle inversely with the heigh. what are the possible base and height of a second triangle if the first triangles base is 12 and its height is 8. select one: a. 120 and 80 b.

45x - 15 Factor out the gcf of the following expression

Molly says that 4/8 is always the same 1/2. Andrew says that 4/8 and 1/2 are equivalent fractions, but they could be different amounts.

The rain that occurs after a volcano erupts would most likely be

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8