Wade has already spent $7 of his earnings. he could represent the total amount he has left using the expression a − 7 ⁢ .

then wade spent another $2.

which expression represents the amount of money wade has now?

a. 7+2

b. a - 9

c. a + 9

d. a - 2

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?