there are 40 students in a class. girl:
make up 60% of the class. 25% of the
girls wear glasses. how many girls in
the class wear glasses?

Can someone tell me if this is perpendicular? !

Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?

Use your knowledge of the binary number system to write each binary number as a decimal number. a) 1001 base 2= base 10 b) 1101 base 2 = base 10