Please help me! I have a hard time with Rhombus Proofs. I will even give brainliest. 1. What is the length of diagonal of PS?
A. 19.9 in
B. 23.9 in
C. 18.6 in
D. 39.9 in

2. What is the area of rhombus ABCD?
A. 24.57 cm^2
B. 98.28 cm^2
C. 39.00 cm^2
D. 78.00 cm^2

3. What is the length of diagonal RQ?
A. 9.3 in
B. 11 in
C. 22 in
D. 18.6 in

4. What is the measure of angle P?
A. 90°
B. 35°
C. 55°
D. 70°

Thank you so much!

6.(q^9)^2 a. 2q^18 b. q^18 c. q^81 d. q^11 7.(6q^6)^-4 a. 6q^1296 b. 1296q^2 c. 1/1296q^24 d. 6q^-24 8. what is the value of 12x^-3 y^-1 for x = -1 and y = 5? a. -12/5 b.-10 c.-0 d.5/12 9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

With this one. will mark brainliest

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac