Given A: [ 1 a
b 4]
where
a and b are positive ite integer. Find the values
of a and b where a<3 so that
A² - 5A - 21 = 0, where I is
2x2 identity matrix

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x, y) coordinate plane?

What will be the end result for the taxpayer who filed his federal income tax return using the 1040ez form shown belowa he'll owe $173b he'll receive a refund of $173c he'll owe $3921d he'll receive a refund of $3921