Ratios:Question 4 The ratio of boys to girls at a winter dance is 5 to 6. If there
are 90 girls, how many boys are at the dance?

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

How to use order of operation in 20 divide by 4 multiply 5 = 1