Add.
A. 1228
B. 1127
C. 1234
D. 844
Answer: D
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A school board has determined that there should be 3 teachers for every 50 students. How many teachers are needed for an enrollment of 2,650 students?
A. 134 teachers B. 148 teachers C. 159 teachers D. 143 teachers E. 216 teachers
Convert. Round to the nearest tenth unless otherwise indicated.The recipe calls for the oven to be heated to 375 ° F. What is this temperature in degrees Celsius?
A. 226° C B. 176° C C. 191° C D. 216° C
Factor completely, or state that the polynomial is prime.x3y - 9xy3
A. xy(x + 3y)(x - 3y) B. prime C. xy(x - 3y)2 D. xy(x + 3y)2
Factor the polynomial by removing the common monomial factor. 42x8y7 + 30x2y5 + 36x6y2
A. 6(7x8y7 + 5x2y5 + 6x6y2) B. 6x2(7x6y7 + 5y5 + 6x4y2) C. 6x2y2(7x6y5 + 5y3 + 6x4) D. x2y2(42x6y5 + 30y3 + 36x4)