Rút gọn rồi tính giá trị của biểu thức sau: a) B= (x+y-7)^-2(x+y-7)(y-6)+(y-6)^2 tại x=101
b) C=(x-2y)(x^2+2xy+4y^2)-6xy(x-2y) tại x=3; y=1/2

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.