Emily used the number line to find the quotient for -15 - 5. What errors did she make? Select three correct
answers.
O The arrows should point in the negative direction.
O The small arrows should end in the same place as
the large one.
The arrows should end on negative 15.
The arrows should start at zero.
O There should be 5 small arrows.

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?