△bcd is dilated to become triangle △b′c′d′. △bcd has coordinates b(4, 2) , c(6, 2) , and d(6, 5) . △b′c′d′ has coordinates b′(2, 1) , c′(3, 1) , and d′(3, 2.5) . what is the scale factor of the dilation? 0.25 0.5 2 4

Examine the following sets of events. set a: {1, 5, 7, 9, 14} set b: {2, 5, 6, 8, 14, 17} which of the following represents the intersection of set a and set b ? {∅} {5, 14} {1, 2, 5, 6, 7, 8, 9, 14, 17} {1, 2, 6, 7, 8, 9, 17}

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?