Explain why it does not matter what letter or symbols is used to find an unknown number

a triangle has an area of 15 cm. a similar triangle is drawn using a scale factor of 3.5. what is the area of the similar triangle to the nearest square cm?

Simplify (7) (-6). -42 -13 1 42

How many kilometers in a marathon

Sun Valley and San Jose are 105 km from each other. How far apart would the cities be on a map that has a scale of 1 cm : 15 km?

In ΔMNO, the measure of ∠O=90°, ON = 35, NM = 37, and MO = 12. What is the value of the tangent of ∠M to the nearest hundredth?

Consider the region bounded by x2 + y2 = 64 with x ≥ 0, and y ≥ 0 . A solid is created so that the given region is its base and cross-sections perpendicular to the x-axis are squares.

Write and solve an equation for the relationship described below. Four times a number plus three is the same as five plus the number.

A kids skipping rope is 7ft long. How many ropes could I cut from a 10 yard long piece of rope?

How likely is it that you will land on a yellow space? A) certain B) impossible C) probable D) unlikely

The volleyball team sold 16 items on the first day of a bake sale, 28 items the second day, and 12 items the last day. There were 4 items left that had not been purchased. How many total items were for sale at the bake sale?