The regular price of a digital camera was 250$. Tristan bought the digital camera at a discount of 40%. How much did Tristan pay for the digital camera?

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.

Which strategy is used by public health to reduce the incidence of food poisoning?