Which statement is true?

a. all parallelograms are squares

b. a rhombus is a parallelogram

c. all rhombuses are square

d. a trapezoid has two sets of parallel lines

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?