HELP NOW 20 points The price of four tires changed from $638 to $523.16. Find the percent of increase or decrease

Which exponent makes the following statement true? 1/9^7=9^?

Which of the following sets of three lengths could be sides of a right triangle?
A- 15cm, 26cm,41cm
B-18cm,18cm,18cm
C- 16cm,63cm,65cm
D-17,17,34

The scale on a map of Texas states that 1cm:50km. If the distance on the map between Houston and Dallas measures 7cm, what is the actual distance between the two cities?

A store owner decides to increase the price cat carrier by 7%. If the current price of the carrier is $53.00, what is the price after increase?

The area of Egypt is approximately 390,000 square miles. What is this number in scientific notation?

The cost of a half gallon of milk at your local store is $1.38 . Write this as a unit rate

Which of the following is an integer multiple of the unit fraction 1/5?

A rectangle has the length of 19in and the height of 11in . Another rectangle has the length of 9.5in and a height 6.5in. Are the rectangles similar?

24 of the jackets for sale at a clothing store are blue. If this represents 15% of all jackets in the store, how many jackets are not blue?