A good percent equation

A company claims that its packages of beads contain, on average, 50 beads with a standard deviation of 5.4 beads. In a hypothesis test of this claim, H0 is µ = 50 and Ha is µ ≠ 50, where µ is the average number of beads per package.

What is meant mathematically when we say we have an "even" or "odd" function?

If ƒ (x) = 1 / x is shifted 4 units to the left and 6 units up, what is the equation of the resulting graph?

Which of these is the algebraic expression for "nine less than some number?" 9 / k k / 9 9 - k k - 9

For any real number b, sqrtbwht is the principal square root of 81

the Band has a total of 146 members some of the members are in the marching band and the rest are in concert. Enter an equation that models how many marching band members there are if there are c concert band members?

19% of the animals at an animal shelter are dogs. About what fraction of the animals at the shelter are dogs?

Rewrite the equation 2x+3y=6 in slope-intercept form.

What is the value of x? (10x + 4)

In a probability experiment, Craig rolled a six-sided die 57 times. The die landed on a number greater than three 33 times. What is the ratio of rolls greater than three to rolls less than or equal to three?