3super hard math questions ! evaluate the following: 42 ÷ (3 + 1). (5 points) 4 3 2 1 3. (01.02 lc) what is the simplified form of the following expression? (y8)(y2) (5 points) y10 y6 y16 y64 4. (01.02 mc) evaluate the following expression using the values given: find 5x − 3y − z if x = −2, y = 2, and z = −3 (5 points)

Choose the triangle with x equal to 17.

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?