oak street and elm street run parallel to each other when main street intersects them it forms interior angle 6 measuring 70 degrees what is the measure of angle 4

For which rational expression is -2 an excluded value of x?

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

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?