A music player app has 2 gigabytes of storage and can hold about 500 songs. A similar, but larger app has 80 gigabytes of storage. About how many songs can the larger app hold?

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?