A triangle has 2 sides with the lengths 4 cm and 7 cm. which of the following lengths could represent the lengths of the 3rd side? choose all that apply. answer choices:
a. 11cm
b. 10cm
c. 3cm
d. 2cm
e. 5cm

What expression is equivalent to 1/2(2+3x-6)

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.