Rewrite (log480-log3) +2log25 as a single logarithmic. then evaluate the simple logarithmic

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Right ∆abc has coordinates a(-7, 3), b( -7, 10), and c(-1, 3). the triangle is reflected over the x - axis and then reflected again over the y - axis to create ∆a'b'c'. which are the coordinates of vertex a'?

Each unit cost 14p, how much would 942 units cost?