During second period, Erica completed a grammar worksheet. She got 18 out of 45 questions correct. What percentage did Erica get correct?

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

Which of the following tables represents exponential functions?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?