Simplify

√x^5
a. x^2√x
b. x^3
c. x^3√x
d. x^4

√20+√40
a.5√5
b.√10
c.6√5
d. cannot combine terms

√36x+√100x-√25x
a.6√3x
b.-5√5x
c.11√x
d.7x√x

solve for x
√2x-3=7
a. x=5
b. x=7
c. x=19
d. x=50

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Can someone me do math because i am having a breakdown rn because i don’t get it

I'm confused on this could anyone me and show me what i need to do to solve it.