Which of the following is not always true about a rhombus? (a) all sides are congruent. (b) all angles are congruent. (c) it has two pairs of parallel sides. (d)it has two pairs of congruent angles.

What is the simplified form of square root of 400 to the 100th power ?

Write the equation in general quadratic form: plz !

The oates family went out for dinner the price of the meal was $33.95 the sales tax was 7.25% of the price of the meal . the tip was 15% of the meal and the sales tax . how much money did the oates family pay for the meal, including tax and tip