Least common multiple of 78 90 140

How do you find median. What's the median for the numbers: 76,84,93,67,82,87,76

You're saving for retirement and hope to have $1,000,000 in 50 years. Your account earns 5% annual interest. How would you need to deposit now if the account earns simple interest? Show work!

How to solve; you roll a pair of number cubes what is the probability of rolling a number less than 4 on both cubes?

Round 2.63 to the nearest tenth

A 10-foot ramp must make an angle of 30degrees with the ground if it is to reach a certain window. What angle must a 15-foot ramp make with the ground to reach the same window?,

Two lines intersect to form angles 1, 2, 3, and 4 as given. The measure of ∠3 is 38°. What is the measure of ∠2 ?

Solve the system using linear combination. show all work. 9x+5y=35 - 2x-5y=0

A roller coaster track is 600 meters long. It takes 20 seconds to travel once around the roller coaster. Calculate the average speed of the roller coaster

Anita got 4 problems wrong on a test of 36 questions. what percent of the questions did she get correct

The sum of the digits is 16. it has 7 tens and 8 ones. what is the number?