Dora was teaching a flea to hop on a number line. The flea hopped right five units four times and then left three units two times. Write the

total change to the flea's position as an integer.

What is the value of x in the this question ?

Is there an x intercept in the equation 60*1.15^x

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?