Find the sum. Write the sum as a mixed number, so the fractional part is less than 1. 4 1/2 + 2 1/2 (I got 6 2/2 and i need to make the 6 a 1 because 2/2 is one whole.

The circumference of a circle is 60 pi cm3what is the radius of the circle

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost