1.calculati 2 pe 5 din 320

2.calculati un numar, daca 3 pe 4 din el este 72

3.aflati x si y, daca x pe y=1 pe 2 si 2x73y,=120

ajutatima

3. mr. sanchez’s class sold fruit pies for $1.65 each and mr. kelly’s class sold bottles of fruit juice for $1.36 each. together, the classes sold 79 items and earned $118.17 for their school. (a) write and solve a system of equations that model the problem. show all your work. (b) which class earned more money? (c) how much more money did that class earn?

Graph a sine function whose amplitude is 3, period is 4π , midline is y = 2, and y-intercept is (0, 2) . the graph is not a reflection of the parent function over the x-axis. use the sine tool to graph the function. the first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point.

Plz fasttommy has n friends. he wants to give each friend 5 pencils. write an expression to show how many pencils tommy will share