The coefficients of a quadratic equation in standard form are the following:
a = 1, b = 2, and c = 1
Determine the number of real roots for this quadratic
equation.
O A. 4
OB. 2
O C. 1
O D. O

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?