Mr reid's science class is developing a scale model of the solar system where the 1,392,000 diameter of the sun is scaled to 1.0 and given that 1 astronomical unit, au, equals 1.5 x 108 km. will this model fit in the classroom?

Simplify the expression. -2/5(10+15m-20n)

Find the area of a parallelogram with base 15 yards and height 21 2/3

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.