Simplify. 7.8 + 3.9 asap

A person is standing exactly 36 ft from a telephone pole. There is a 30 degree angle of elevation from the ground to the top of the pole. What is the height of the pole? A. 12 ft B. 12 square root of 3 ft C. 18 ft D. 18 square root of 2 ft

Which best describes George error

The perimeter of the reactangel is 32 cenitmeter. The Width is 7 centimeter ...

Find the value of each expression when a=-2 b=-3 and c=5 5a - (4b+6c) = ?

Which propety justifies this statement? X - 4 = x - 4. A. substitution propert of equality B. Transitive property of equality C. Symmetric property of equality D. reflexive property of equality

The record high January temperature in Austin Texas is 90 Fahrenheit the record low January temperature is - 2 fahrenheit. find the diffrence between the high and low temperatures

A high school administrator determined that 22% of the students worked part-time after school with an ±8% margin of error. If the school has 1420 students, which would represent the possible number of students that work part-time after school? A.

A hospital parking lot charges $2.50 for the first hour or part thereof, and $1.25 for each additional hour or part thereof. A weekly pass cost $40.00 and allows unlimited parking for 7 days.

The hover dam contains 3 1/2 millon cubic yards of concrete. The grand coulee dam contains 2 1/2 times as much. How much concrete does the grand coulee dam contain

Terry is saving up for a bike which costs £403.50 So far he has saved up £265.90 How much more money does he need to be able to get the bike?