Ava is 23 cm taller than Olivia is half the height of Lucas. If Lucas is 1.78 m tall, how tall are Ava and Olivia? Express their height in centimeters.

Carol sells bracelets and pairs of earrings at a craft fair. each item sells for $8. Wite and evaluate an expression to show how much money Carol will make If she sells 23 bracelets and 17 pairs of earrings

Identify all of the following that are prime number. 2,97,11,27,31,42,59,63,72, and 81

A federal agency responsible for enforcing laws governing weights and measures routinely inspects packages to determine whether the weight of the contents is at least as great as that advertised on the package.

What's one ninth as a decimal and percent

The sum of two numbers is 21. The smaller number is three more than half the larger number. What are the two numbers

What is the slope of the line? y+3 = - 4 (9x+7)

A college has a 30% completion rate, meaning that 30% of all students who start at the college complete their studies. The president of the college sets a goal of increas ing this number by 50%. What will the completion rate goal be as a percent?

If the nth partial sum of the sequence an is given by n Sigma 2k+4 k=1 Then what is the nth term of the sequence? A. 6 B. 2n+4 C. 6+8+10+12 + ... + (2n+4) D. 2 (1) + 4+2 (n) + 4

What is the exponent of z in w5 yz?

Did you hear about the pig that built himself a home?