Akhtar, Ben and Carl each have some money. Akhtar has £65
Ben has £100
Carl has three £5 notes, one £20 note and some £10 notes.
The mean amount of money per person is £80
How many £10 notes does Carl have?

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

Which of the following represents the length of a diagonal of this trapezoid?

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2