There are 15 students going on a field trip to a museum. 2/5 of these students have never been to the museum. Which Method Will Help you find the number of students who have never been to the museum?

A. Divide By 15 by 5 and then multiply that quotient by 2.

B. Multiply 15 and 5/2

C. Multiply 1/15 and 2/5

D. Multiply 15 By 5 and then Multiply that product by 2.

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?