19.5 as a mixed fraction

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?