1.(a) use the fundamental theorem of algebra to determine the number of roots for 2x^2+4x+7
(b) what are the roots of 2x^2+4x+7 ? show your work.

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

What is the circumference of a circle with an area of 50.24 cm²?

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?