What is the value of in scientific notation?

Ashopper bought a watermelon a pack of napkins and some paper plates in his state there was no tax on food the tax rate on non-food items is 5% the total for the three items he bought was 825 before tags and he paid $0.19 in taxes how much did the watermelon cost

Find the value of the variable and the length of each secant segment.

Describe the relationship between the angles of similar triangles and the sides of similar triangles