Write the equation that would model problem number 26 of the rhind papyrus: find a quantity such that when it is added to ¼ of itself the result is 15. x + 4x = 15 x – 4x = 15 x + ¼x = 15 x – ¼x = 15

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? *

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b