What is the value of the function f(x) = 2x + 3 for an input value of 3? (a)6(b) 12(c) 3 (d)9

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4