Evaluate the expression a2+6ab for a=−3 and b=4.

An alien has just landed from the planet, iksnimak. he would like to leam how to add two fractions when thedenominators are the same. write a paragraph that explains to our alien friend, in your own words, the detailsabout how to add the fractions, how to change the result to a mixed number, and how to reduce the fractionpart. use this problem as your example: the two fractions are 5/8 & 7/8

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?