what is a counterexample for the following conjecture if a counterexample does not exist choose not possible conjecture all quadrilaterals are rectangles

A school spent $900 on new desk for the start of the year. that amount included a 6% sales tax. what was the original price of the desk. before tax

Si n es un número entero de dos dígitos, en que el dígito de las decenas es X y el de las unidades es Y, el antecesor de n es:

Which fractions are equivalent to - 4/9? Choose all answers that are correct. A. -2/5 B. -8/18 C. 16/-36 D. 20/45

A pineapple is 7 times as heavy as an orange. The pineapple also weighs 870 grams more than the orange. What is the total weight in grams for the pineapple and orange?

What is an equivalent fraction of 20/100 with a Denominator of 40

Marissa burns 93 calories each time she plays fetch with her dog she plays fetch with her dog once a day. About how many calories will Marissa burn playing fetch with her dog in 28 days

Simplify 4y + 2y - 5y

If x increased by the product of 11 and y is 103, and 9x increased by the product of 10 and y is 126, what are the values of x and y? A. x = 8y=5 B. x = 9. y = 12 C. X = 4, y = 9 D. x = 9, y = 4

2330 law graduates took the Alaska bar exam over a ten year period. 1780 passed the exam. What percent passed the exam?

What's the question? Compare 643,251; 633,512 and 633,893