30 POINTS I HAVE TO TURN THIS IN WITHIN A HOUR I NEED HELP WITH IXL MATH ILL GIVE YOU MY LOGIN INFORMATION JUST PLEASE HELP ME RHIS IS MY LAST CHANCE AND IF I DONT DO THIS ILL BE IN BIG TROUBLE ITS ONLY TWO THINGS IN IXL IM VERY DESPERATE PLEASE
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In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°