Suppose the ratio of Lev's age to Mina's age is $1 : 2$ and the ratio of Mina's age to Naomi's age is $3 : 4$. What is the ratio of Lev's age to Naomi's age? Give your answer in simplest form.

The present age of Sita's father is three times of Sita's present age. After 6 years the sum their age will be 69. Find their present age

What is the area of the polygon? * 23 m 11 m 17 m

A t-shirt manufacturer makes shirts that weigh 40 grams each. What will be the total weight of the shirts in kilograms.

Matt needs to bake 144 cookies for a school event. He can fit 18 cookies on a baking sheet for each batch. He estimates that he'll need to bake more than 10 batches of cookies to make all the cookies he needs.

Evaluate the radical. 3343 Enter your answer in the box.

Find cos a and cot b exactly if a = 15 and b = 11.

2) Sarah is trying to raise $240 for a school trip. She has already raised 25% of the money. How much money does Sarah still need to raise?

Eighty-three million twenty-three thousand seven in standard form

A leak in a water tank causes the water level to decrease by 3.6*10-2 millimeters each second. About how many millimeters does the water level in the tank decrease in 5 hours, or 1.

What can happen if your savings account balance goes below the required minimum daily balance?