Help! A diamond has a mass of 1.5 grams and a circle has a mass of 3 grams. What is the mass of a square?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189