Select all the expressions that are perfect squares. (x + 5)(x + 5)
(-9 + c)(c - 9)
(y - 10)(10 - y)
(a + 3)(3+ a)
(2x - 1)(2x + 1)
(4- 3x)(3 - 4x)
(a+b)(b +

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units

Enter the missing numbers in the boxes to complete the table of equivalent ratios.time (min) distance (km)? 36 9? 1512 ?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?