Tan x =sin x/cos x. therefore, tan(90-a) =
a) 1/tan(90-a)
b) 1/sin a
c) 1/cos(90-a)
d) 1/tana

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

One file clerk can file 10 folders per minute. a second file clerk can file 11 folders per minute. how many minutes would the two clerks together take to file 672 folders?