Find C. Round to the nearest tenth.
20 ft
22 ft
A
B
18 ft
C = [? ]
Law of Cosines : c2 = 22 + b2 - 2ab cos C
Enter

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.