4. The specific heat of aluminum is 0.902 J/g. If a metal smith has 300g of aluminum and wants to melt it down to make a lock. He increases the temperature from 20 to 200. How much heat does he need to apply?

Graph the function Y=2x+7

Mrs. Park has 3 boxes of crayons. Each box has 12 crayons. Mrs. Park takes c crayons out of each box. Which expression can be used to find the total number of crayons left in these boxes?

Write a short note to a friend explaining when to reverse the inequality when you are solving an inequality

Y-intercept is 1, slope is. 5

What is 4.238 x 7.5.

Alison, the owner of a regional chain of pizza stores, is trying to decide whether to add calzones to the menu. She conducts a survey of 700 people in the region and asks whether they would order calzones if they were on the menu.

What is the value of Y in 0.3y = - 2

Which expression shows a way to find 50% of 632

4525 round to the nearest tenth place

A survey shower that 82% of adults need correction for their eyesight. If 18 adults are randomly selected, find the probability that no more than 1 of them need correction for their eyesight.