If a circle has a radius of 12 and a sector defined by a 78 degree arc, what is the area, in cm2, of the sector? Round your answer to the nearest tenth.

What is the area of this triangle? Enter your answer in the box. units² A triangle D E F is graphed on a coordinate plane. The horizontal x-axis ranges from negative 5 to 2 in increments of 1.

Evie wants groups of three notebooks and five pens. She already has 12 notebooks. How many pens will she need?

What is the number 1.34615384 to the nearest tenth?

What two numbers multiply to 80 and add up to 9?

Solve the system of equation. 2x-3y=-1 y = x - 1

Write the equation of the line in slope-intercept form. perpendicular to y = 2x+6 and passing through (-4,2)

Lynne used 8/3 cup of flour and 3/1 cup of sugar in a recipe what number is a common denominator for 3/1 and 8/3

Write a function for "The output is seven more than the input"

After attending a church cookout, a number of the attendees are admitted to the emergency room with nausea, vomiting, and diarrhea.

Antonio needs 8 feet of ribbon to complete a project. He can purchase a 180-inch (15-foot) packaged length for $3.99, or he can buy the ribbon by the foot for $0.39/ft. Which is the better deal for Antonio?