Which of the following statements is the contrapositive of "if i have money, then i spend it"?
a. if i don't have money, then i don't spend it.
b. if i spend money, then i have it.
c. if i don't spend money, then i don't have it.

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°

Igure 1 and figure 2 are two congruent parallelograms drawn on a coordinate grid as shown below: 4 quadrant coordinate grid showing two parallelograms. figure 1 has vertices at negative 5, 2 and negative 3, 4 and negative 4, 7 and negative 6, 5. figure 2 has vertices at 5, negative 2 and 7, negative 4 and 6, negative 7 and 4, negative 5. which two transformations can map figure 1 onto figure 2? reflection across the y-axis, followed by reflection across x-axis reflection across the x-axis, followed by reflection across y-axis reflection across the x-axis, followed by translation 10 units right reflection across the y-axis, followed by translation 5 units down