ONE super sized cone for $8 or FOUR regular sized cones for $5​

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

What is the equation of a line passing through (-6,5) and having a slope of 1/3

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