You have piano lessons every 7 days and tuba lessons every 3 days. today you have both lessons. not counting today or the day when you have the same lesson again, how many piano lessons will you have in between? how many tuba lessons will you have in between?

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Which statement best describes the polynomial

X+y=-4 x-y=2 use elimination with adding and subtraction