−7x−50≤−1 AND−6x+70>−2 (Choice A)
A
x\geq-7x≥−7x, is greater than or equal to, minus, 7

(Choice B)
B
-7\leq x<12−7≤x<12minus, 7, is less than or equal to, x, is less than, 12

(Choice C)
C
x<12x<12x, is less than, 12

D
There are no solutions

E
All values of xxx are solutions

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

The maximum distance (in nautical miles) that a radio transmitter signal can be sent is represented by the expression 1.23h√, where h is the height (in feet) above the transmitter. estimate the maximum distance x (in nautical miles) between the plane that is receiving the signal and the transmitter. round your answer to the nearest tenth.