Maria has saved $420. this is five sixth of the money she needs to save to buy a new stereo. use your diagram to determine the cost of the new stereo maria wants to buy. a. $490 b. 770 c. $504 d. $550

Which of the following expressions is equal to 2x^2+8

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?