A sheet metal shop ordered 60 lb of tin for 30 lb of a zinc alloy for a total cost of $480. A second purchase, at the same price, included 40 lb tin and 70 lb of zinc alloy. The total cost was $770. Find the total cost per pound of the tin and of the zinc alloy PLEASE EXPLAIN RESPONSE

The perimeter of a rhombus with a side of 6 is 24

Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7