Are squares EFGH and PQRS congruent? Side FG has a length of 16. Slide SP has a length of (10x-4). Angle E is 45x degrees

Timed*** there are 8 rows and 8 columns, or 64 squares on a chessboard. suppose you place 1 penny on row 1 column a, 2 pennies on row 1 column b, 4 pennies on row 1 column c, and so on … how many pennies are on each square? a =   b =   c = d =   e =   f = g =   h =

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?