Determine the equation of the line given by the graph. a) y = 2x + 4 b) y = 4x + 2 c) y = 1 2 x − 2 d) y = −2x + 4

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Which of the functions below could have created this graph?