Which of the following is true?

a.
all sides of the figure are of equal length. the figure is a rhombus.
b.
all four angles are right angles. the figure is a square.
c.
the diagonals are of equal length. the figure is a rectangle.
d.
there are two disjoint pairs of congruent sides. the figure is a kite.

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?