When graphed, which parabola opens downward?

a. y = - 3x2

b. y = (x - 3) 2

c. y = 1/3x2

d. y = x2 - 3

A circle is represented by the equation below: (x + 2) 2 + (y - 4) 2 = 225 Which statement is true? (A) The circle is centered at (-2, 4) and has a radius of 15. (B) The circle is centered at (2, - 4) and has a diameter of 15.

Sect the proper inverse operation to check the answer to 25 - 13=12

Which expression uses the greatest common factor and the distributive property to rewrite the sum 42+72

Will a 13% increase followed by a 13% decrease result in no net change?

How do I find a1 for the geometric sequence down below Sn = 1640, r = 3, n = 8

Whats the rule of adding integers with the same sign

How do I turn - 6.3 into a fraction?

Lawrence's father gave him 200 baseball cards. Each week, Lawrence purchase 25 baseball cards to add to his collection.

120,00 is renamed to? ten thousand

43 is 120% of what number? 0.36 3.58 358.33 35.83