A lighthouse that is 120 ft tall casts a 160 - ft long shadow on the surface of water. what is the distance from the top of the lighthouse to the end of the shadow?

What is a 25% markup on $27.00?

What is the differnce between union and intersection in math

During a 30% off sale, Chan Hee pays $175 for a picnic table. What was the original price of the picnic table?

What is the slope of a line perpendicular to the line whose equation is 3x-12y=216

How so you solve this word problem? 4:8/9=

How many times can 80 go into 103

How do you calculate correctly with real-world measurements?

A dog is 3 and one half years old and 1 and two fifths feet tall. If its owner is 3 and three fourths times as tall as the dog, how tall is the owner? Write the answer as a mixed number in simplest form. The owner is nothing feet tall.

Tom buys a new phone service. It's costs $20 to install, and then it costs 15 a month. Write an equation to show the cost of the phone (y) for any number of months (x).

Ashlyn has three more than twice the number of pencils that Yasmin has. Ashlyn has 21 pencils. This can be represented by the equation 2n+3=21. Select all the statements that are true. The variable n represents the number of pencils that Ashlyn has.