If two lines intersect in a 90° angle what can you save up lines

A footbridge is in the shape of an arc of a circle. The bridge is 4.5 ft tall and 25 ft wide. What is the radius of the circle that contains the bridge? Round to the nearest tenth.

A cereal company used to fill the boxes with 17 ounces of cereal. They have reduced that amount to 14 ounces. The percent decrease is 87.5%

The difference between the square roots of a number is 30. what is the answer?

Y = |x| translated one unit upward

8a + 12b = 92 6a - 4b = 4

the distance to your brother's house is 416 miles, and the distance to Denver is 52 miles. if it took 8 hours to drive to your brother's house, how long would it take to drive to Denver?

Dexter has a credit card that uses the average daily balance method. For the first 15 days of a 31-day billing cycle, his balance was $2110, but then he paid off his entire balance and didn't make any new purchases.

A worker in the automobile industry works an average of 43.7 hours per week. If the distribution is approximately normal with a standard deviation of 1.

Write 1/2,2/5,6/10 from least to greatest

Find the value of n 2k