Make an expression that has a value of 1. Move each grouping symbol to the expression to show the answer. 9 X 3 + 1 divide by 6 - 5

Multiply. write your answer in simplest form. 3/8 x 5/7

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *