Evaluate the expression when y= -3.
y²+7y+1​

Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building