PL HELP FUE IN 30 MI1Walking at a speed of 3 mph, Jack gets to school in 10 minutes and arrives to school right before the class starts. Today Jack needs to be at school 4 minutes earlier. How fast does Jack need to run this morning?

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.