Please help me fast and show all your work please thx

area = 50 cm²

Step-by-step explanation:

The area (A) of a trapezoid is calculated as

A = h (a + b)

where h is the perpendicular height and a, b the parallel bases

Here h = 4, a = 15 and b = 10, thus

A = × 4 × (15 + 10) = 2 × 25 = 50 cm²

2 over 5

step-by-step explanation:

the 2: 3 ratio is the length of the ac segment to the cb segment total length. this implies that the ratio between segment ac length and segment ab length is 2: 5. point c is 2/5 from a to b, so the required fraction is 2/5.

step-by-step explanation:

here's what happens:

1) the graph of f   = x^2 is shifted 2 units to the right.

2) the resulting graph is reflected in the x-axis, so that the parabola now opens down.

3) this final result is transformed up by 5 units.