Mary and her brother John collect foreign coins. Mary has three times the number of coins that John has. Together they have 180 foreign coins. Find how many coins Mary has.

45 coins

126 coins

135 coins

17 coins

Cal Johnson compares his checkbook register, cancelled checks, and bank statement which shows a balance of $325. He finds two outstanding checks for $53.58 and $20.24. There is also an outstanding deposit of $62. What is his adjusted balance? $189.

The square root of 5x minus 4 equals x minus 2. What is x

The table shows the charges for a catering service. Based on the pattern in the table, calculate the charge for catering a party for 450 people. A) $6000 B) $5400 C) $4800 D) $4200

sketch and label the sampling distribution for the sample proportion of games containing a "big bang", according to the Central Limit Theorem, assuming that the grandfather's null hypothesis is true.

In order to solve for the variable in the equation 2 (4x+3) + 4=3x - (2x+4) Giovanni first applies the distributive property. Which equation is a result of this step? 8x+3+4=3x-2x+4 8x+6+4=3x-2x-4 6x+5+4=3x-x+3 6x+3+4=3x-x+4

Will give Brainliest Use a calculator to find an approximate solution to the equation. Round any intermediate work and steps to three decimal places. Show all of your steps in solving the equation 6ln (x + 2.8) = 9.6

What is 7/15 in decimal form

Planes that do not intersect are called

Convert 17 km to miles?

As men and women age, their risk of death increases. There are also health issues that can greatly impair older citizens' abilities to participate in activities and travel.