Find the measure of angle x in the figure below:

a. 50°
b. 75°
c. 115°
d. 130°

find the area of a triangle with a base length of 4 units and a height of 5 units.

a. 8 units
b. 9 units
c. 10 units
d. 20 units

i really appreciate all the you can give me. if you can pls try and explain (at least the last one if you are able.) also, the image goes with the first question.

Use set builder notation to represent the following set: { -3, -2, -1, 0}

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut