WILL GIVE BRAINIEST PLZ HELP David wants to find the solutions of this system of equations:

–4x – 7 = y

x2 – 2x – 6 = y

Which statement is true?

There are no real number solutions.

There is one unique real number solution at (–1, –3).

There is one unique real number solution at (1, –3).

There are two real number solutions at (–1, –3) and (1, –7).

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655