Given f(x)=x-7and h(x)=2x+3 write the rule for h(f(x))

The triangles are similar. what is the value of x? x=

What is the solution set of the quadratic inequality x^2-5< or equal to 0

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days