The diagram shows a regular decagon. work out the size of the exterior angle.

Solve the system by substitution. 3x + 4y = 0 - 7x + y = 62

14. A sphere is inscribed in a cube with an edge of 10. What is the shortest possible distance from one of the vertices of the cube to the surface of the sphere?

Kenneth and Antonio are buying plants for the school garden. They want to buy 8 pepper plants for $2 each and 12 tomato plants for $3 each. The expression 8•2+12•3 represents the cost. In dollars of the plants.

Last month, Julio played 3 times as many video games as Scott did. Julio played 18 video game's. Write and solve an equation to find the number of video games Scott played.

Carla's bead order includes 3 boxes of 100 beads. which could ve the number of beads in carla's order?

Determine if the sentence is true. Select all that apply

Over several months, a meteorologist recorded a total snowfall of 8.6 centimeters. During this period, the average monthly snowfall was 4.3 centimeters. For how many months did the meteorologist collect measurements of the snowfalls?

There are 45 students in the 6th grade at garden valley middle school. nine of them have freckles. what is the ratio of 6th graders with freckles to the total number of 6th graders?

Simplify. √18 2√9 2√3 3√2 3√6

Alicia went on a steamboat ride up the mississippi river. the boat travels 32 miles per hour in still water. how long will it take her to travel 168 miles upstream if the current of the river is 8 miles per hour?