100 envelopes cost $0.70 how much would it be for 250

Evaluate 3 8 * 5 12 Give your answer in its simplest form

X + x+2+x+4+x+6 = - 28 state the property that justifies your first step and why you chose it.

What are all the subsets of the set? {-3, 6} a). empty set, {-3}, {6} b). empty set, {-3}, {6}, {-3, 6} c). {-3}, {6} d). {-3}, {6}, {-3, 6}

An element with mass 290 grams decays by 13.2% per minute. How much of the element is remaining after 14 minutes, to the nearest 10th of a gram?

Which expression is equivalent to 4 times the sum of 3 and x

Write the comparison as a ratio in the simplest form using a colon. 8 pounds to 10 pounds .

The Yoon family's monthly budget allowed them to spend $175 for personal expenses. To prepare for an upcoming camping trip in June, their personal spending totaled $455. By how much did they exceed their budget that month?

A rectangular deck is 12 ft by 14 ft. When the length and width are increased by the same amount, the area becomes 288 sq. ft. By how much were the dimensions increased?

Line p has a slope of - 3/4. Line q is parallel to line p. What is the slope of line q?

A local charity sponsors a 5K race to raise money. It receives $25 per race entry and $5,000 in donations, but it must spend $5 per race entry to cover the cost of the race.