Verify that segments with lengths of 2.1, 2.8, and 3.5 form a triangle. Is the triangle acute, right, or obtuse?

What expression is equivalent to (2x-1)(x-3)?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11