Water is being pumped to empty a swimming pool.
at 6 a. m , the water level is 150 cm . every 2 hours , the water level drops by 30 cm.
what is the earliest time when the pool will be empt ? ?
a)10 a. m.
b)11 a. m.
c) 4 p. m.
d) 5 p. m.

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)

Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities