Solve for a
-3=a+4

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The step function g(x) is defined as shown. what is the range of g(x)? ***answer choices in picture.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125