Ineed to know how to solve this problem, i have to study for a test, and i don't know how to get the answer to this problem. answer asap!

f(x)=5x^2-3x-5; f(x-1)

in advance!

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

❤️ (geometry) does the construction demonstrate how to copy an angle correctly using technology a) yes; the distance between points a and f was used to create circle h b) yes; the distance between points f and g was used to create circle h c)no; the distance between points a and f was used to create circle h d) no; the distance between points f and g was used to create circle h

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?