Which of the following is the conjugate of a complex number with 5 as the real part and −2i as the imaginary part?
answers:
5 + 2i
−5 − 2i
−5 + 2i
5 − 2i

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7