Please help I’m on vacation and I didn’t go to school yesterday

28

Step-by-step explanation:

The formula of area for triangles:

* 7 = 3.5   (3.5 *2) = 7

The formula for area of a rectangle: bh

7*3 = 21

Add the areas together 21+7 = 28 squared cm

the number of possible outcomes that do not show a 1 on the first spinner and show the number 4 on the second spinner is 2.

spinner 1 spinner 2

1                     1

1                     2

1                     3

1                     4

2                   1

2                   2

2                   3

2                   4   = not 1, and 4

3                   1

3                   2

3                   3

3                   4 = not 1, and 4

only 2 outcomes have passed the given condition.

step-by-step explanation: