How can i use similarity and proportionality to find missing measures

the sum of the measures of the angles of a trapezoid is 360. find the missing measure. top right corner 100°, top left corner 100°, bottom right corner d°, bottom left corner 80°

Factor: X^3 + 216 also, what kind of favoring is this called?

A new table is on sale for 15% off. If the sale price is $340, what was the original price?

You have to complete assembling a piece of machinery with various parts. Each part adds to the length of the item. There are 2 parts with a length of ¾ inches, and 3 parts with a length of 1 ⅝ inches.

JWA Weather Radio 103.5 in Jacksonville, Florida, gives local weather updates every 18 minutes. The first update is at 2: 00 p. m. You turn the radio on at 5: 30 p. m. How long will you have t o wait for the next local weather update?

Mrs. Jacobsen purchased a 5-pound package of ground beef for $12.40. She decided to use 8 ounces each day for dinner recipes. What was the cost of ground beef per meal?

If (7^2) ^p = 7^6, what is the value of p? 2 3 4 8

The population at Saint Maria High increased from 1800 students ten years ago to 1926 students last year. What was the percent increase?

A triangle is placed in a semicircle with a radius of 7cm, as shown below. Find the area of the shaded region. Use the value 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer. 7cm

What can each term of the equation be multiplied by to eliminate the fractions before solving