3 x (-2) can be read as A. 3 groups of -2
B. 2 groups of -3
C. The opposite of 2 groups of -1

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle

Plzzz answer both questions and i will give you 100 points