How can i solve 4x^2-1=8x

75ft/s to mi/min round answer to nearest 100 if necessary

The width of a rectangle is 6 feet and the diagnose is 10 feet what is the area of the rectangle

Ben is 4 times as old as ishaan and also 6 years older than ishaan. How old is ishaan?

What is 8/9 - 6/7? 3/4 2/3 5/6 2/63

What percent is equivalent to + 4/5 о 20% О40% о 60% О 80%

Let f (x) = 2x - 1 and g (x) = x2 + 5. Find (fog) 0).

2qt/min=how many gal/s

How many headbands can the students make if one headband takes 7 beads, 9 inches of ribbon, and 3 buttons ... and the total amount of material you have is 6,437 beads, 3,636 buttons, and 3,870 inches of ribbon?

An object has a mass of 18 grams and its volume is 2 cm3 calculate density

In the diagram, a building casts a 20-ft shadow and a flagpole casts a 7-ft shadow. If the flagpole is 12 ft tall, how high is the building? Round to the nearest tenth ...