3 Anna splits her collection of marbles into four equal piles. Her little sister then takes three marbles from
one of the piles, leaving 28 marbles in that pile. Write an equation that represents m, the total number of
marbles in Anna's original collection.
Equation

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)- 144x+360 what am i doing wrong?