Which shows the correct simplification of product of powers? 78.7-4 = 78.(-4) = 7-32
78.7-4 = 78 + (-4) = 7-2
78.7-4 = 78+ (-4) = 74
78.7-4 = 78-(-4) = 712

Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists