find the sum of the first 20 terms of an arithmetic sequence with a first term of - 14 and a comman difference of 4

Consider the angles: 124°, x°,20°. For which value of x do the three angles form a triangle? A. x = 22 B. x = 36 C. x = 44 D. x = 56

A right triangle can be formed using three sides having lengths 18inches, 24 inches and a) 12inchesb) 15inchesc) 16inchesd) 30inches

Any tips for set matematik tingkatan 1?

A circle has a diameter of 4 m. What is the best approximation of its area? Use 3.14 to approximate for π. 6.28 m² 12.56 m² 25.12 m² 50.24 m² I think it's 12.56 m^2 but I'm not exact

Nina has some nickles and 9 pennies in her pocket her friend Maurice has twice as many nickles as Nina together their coins are worth 84¢ how many nickles does Nina have

Rectangle prism with length 20inches, width 18inches and height 10inches. Suppose water is pumped out of the aquarium at a rate of 360in^3 per min. If the aquarium starts completely full how many mins will it take to empty it

Use two unit multipliers to convert 1250 square inches to square feet

Draw to show regrouping

Sam Monte deposits $21,500 into Legal Bank which pays 6 percent interest that is compounded semiannually. What will Sam have in his account at the end of 6 years?

What is the sqaure root of 45n^5? In Radical Form.